资源描述
(1)27 + 46 =
(2)90 + 47 =
(3)18 + 15 =
(4)92 + 65 =
(5)18 + 53 =
(6)29 + 32 =
(7)14 + 56 =
(8)72 + 76 =
(9)71 + 68 =
(10)39 + 79 =
(11)64 + 60 =
(12)38 + 69 =
(13)83 + 62 =
(14)12 + 98 =
(15)17 + 84 =
(1)175 + 157 =
(2)645 + 239 =
(3)808 + 213 =
(4)256 + 775 =
(5)607 + 914 =
(6)352 + 708 =
(7)766 + 792 =
(8)970 + 602 =
(9)343 + 801 =
(10)916 + 861 =
(11)806 + 487 =
(12)691 + 400 =
(13)106 + 537 =
(14)353 + 939 =
(15)328 + 114 =
(1)810 - 125 =
(2)648 - 585 =
(3)398 - 148 =
(4)716 - 117 =
(5)704 - 124 =
(6)449 - 312 =
(7)713 - 288 =
(8)202 - 155 =
(9)954 - 286 =
(10)802 - 668 =
(11)860 - 162 =
(12)287 - 167 =
(13)859 - 371 =
(14)941 - 343 =
(15)472 - 425 =
(1)900 - 168 =
(2)300 - 186 =
(3)900 - 554 =
(4)800 - 200 =
(5)700 - 666 =
(6)300 - 122 =
(7)900 - 353 =
(8)500 - 162 =
(9)900 - 705 =
(10)400 - 133 =
(11)200 - 158 =
(12)300 - 257 =
(13)400 - 157 =
(14)700 - 205 =
(15)300 - 288 =
(1)70 × 5 =
(2)50 × 9 =
(3)10 × 8 =
(4)7 × 30 =
(5)2 × 90 =
(6)70 × 8 =
(7)6 × 20 =
(8)9 × 70 =
(9)2 × 90 =
(10)20 × 1 =
(11)8 × 80 =
(12)60 × 3 =
(13)50 × 4 =
(14)90 × 7 =
(15)6 × 20 =
(1)5 × 10 =
(2)30 × 6 =
(3)70 × 4 =
(4)7 × 80 =
(5)40 × 8 =
(6)4 × 80 =
(7)90 × 4 =
(8)10 × 6 =
(9)90 × 4 =
(10)60 × 9 =
(11)90 × 1 =
(12)3 × 60 =
(13)1 × 50 =
(14)8 × 60 =
(15)2 × 30 =
(1)5 × 24 =
(2)7 × 74 =
(3)6 × 20 =
(4)9 × 71 =
(5)11 × 2 =
(6)68 × 3 =
(7)4 × 89 =
(8)49 × 7 =
(9)8 × 47 =
(10)4 × 46 =
(11)5 × 60 =
(12)79 × 3 =
(13)82 × 4 =
(14)1 × 88 =
(15)1 × 86 =
(1)189 × 6 =
(2)8 × 405 =
(3)8 × 751 =
(4)945 × 6 =
(5)520 × 3 =
(6)7 × 121 =
(7)881 × 5 =
(8)261 × 5 =
(9)2 × 523 =
(10)5 × 460 =
(11)6 × 205 =
(12)9 × 654 =
(13)727 × 7 =
(14)564 × 6 =
(15)1 × 162 =
(1)230 × 700 =
(2)100 × 800 =
(3)590 × 860 =
(4)970 × 710 =
(5)460 × 540 =
(6)620 × 570 =
(7)450 × 530 =
(8)540 × 310 =
(9)810 × 850 =
(10)720 × 680 =
(11)290 × 240 =
(12)230 × 740 =
(13)630 × 470 =
(14)280 × 670 =
(15)940 × 760 =
(1)640 ÷ 8 =
(2)840 ÷ 6 =
(3)120 ÷ 3 =
(4)540 ÷ 9 =
(5)400 ÷ 8 =
(6)900 ÷ 9 =
(7)480 ÷ 8 =
(8)300 ÷ 6 =
(9)400 ÷ 4 =
(10)420 ÷ 3 =
(11)400 ÷ 8 =
(12)400 ÷ 4 =
(13)880 ÷ 4 =
(14)650 ÷ 5 =
(15)270 ÷ 3 =
(1)63 ÷ 3 =
(2)70 ÷ 5 =
(3)22 ÷ 2 =
(4)20 ÷ 5 =
(5)20 ÷ 5 =
(6)56 ÷ 2 =
(7)57 ÷ 3 =
(8)90 ÷ 5 =
(9)78 ÷ 3 =
(10)91 ÷ 7 =
(11)38 ÷ 2 =
(12)75 ÷ 3 =
(13)40 ÷ 8 =
(14)72 ÷ 9 =
(15)72 ÷ 2 =
(1)339 ÷ 3 =
(2)444 ÷ 2 =
(3)576 ÷ 6 =
(4)390 ÷ 6 =
(5)228 ÷ 3 =
(6)522 ÷ 9 =
(7)873 ÷ 3 =
(8)576 ÷ 4 =
(9)980 ÷ 5 =
(10)693 ÷ 7 =
(11)987 ÷ 3 =
(12)735 ÷ 7 =
(13)428 ÷ 4 =
(14)153 ÷ 9 =
(15)832 ÷ 8 =
(1)110 ÷ 3 =
(2)586 ÷ 3 =
(3)154 ÷ 8 =
(4)688 ÷ 4 =
(5)334 ÷ 5 =
(6)474 ÷ 5 =
(7)400 ÷ 9 =
(8)364 ÷ 5 =
(9)938 ÷ 2 =
(10)368 ÷ 9 =
(11)134 ÷ 4 =
(12)788 ÷ 9 =
(13)885 ÷ 2 =
(14)203 ÷ 8 =
(15)184 ÷ 8 =
(1)70 × 40 =
(2)30 × 10 =
(3)30 × 10 =
(4)40 × 20 =
(5)60 × 50 =
(6)10 × 30 =
(7)20 × 70 =
()80 × 50 =
(9)30 × 70 =
(10)30 × 30 =
(11)40 × 60 =
(12)60 × 50 =
(13)70 × 80 =
(14)50 × 50 =
(15)90 × 60 =
(1)600 × 50 =
(2)100 × 30 =
(3)900 × 10 =
(4)400 × 60 =
(5)100 × 10 =
(6)40 × 100 =
(7)600 × 60 =
(8)700 × 40 =
(9)40 × 600 =
(10)100 × 40 =
(11)800 × 10 =
(12)60 × 200 =
(13)60 × 100 =
(14)30 × 400 =
(15)90 × 500 =
(1)40 × 40 =
(2)82 × 90 =
(3)92 × 60 =
(4)18 × 80 =
(5)30 × 81 =
(6)96 × 80 =
(7)50 × 86 =
(8)13 × 10 =
(9)10 × 20 =
(10)30 × 26 =
(11)30 × 62 =
(12)88 × 40 =
(13)88 × 30 =
(14)60 × 45 =
(15)70 × 65 =
(1)600 × 50 =
(2)100 × 30 =
(3)900 × 10 =
(4)400 × 60 =
(5)100 × 10 =
(6)40 × 100 =
(7)600 × 60 =
(8)700 × 40 =
(9)40 × 600 =
(10)100 × 40 =
(11)800 × 10 =
(12)60 × 200 =
(13)60 × 100 =
(14)30 × 400 =
(15)90 × 500 =
(1)40 × 40 =
(2)82 × 90 =
(3)92 × 60 =
(4)18 × 80 =
(5)30 × 81 =
(6)96 × 80 =
(7)50 × 86 =
(8)13 × 10 =
(9)10 × 20 =
(10)30 × 26 =
(11)30 × 62 =
(12)88 × 40 =
(13)88 × 30 =
(14)60 × 45 =
(15)70 × 65 =
65+7=
28÷4=
3800+200=
260-90=
7×6=
7000+5=
35+28=
2×6÷3=
7×8+400=
65+56=
130-94=
63÷9=
82-54=
400-35=
6×5×7=
56+38=
800-190=
740+680=
64÷8=
54-30+7=
7×6+7=
30+72÷8=
8000-5=
78÷9=
35÷7÷5=
81-48=
9×8=
65+55=
64+6=
4×4-11=
400× 7=
440× 8=
600× 7=
80× 6=
200× 6=
100× 8=
60× 2=
300× 6=
500× 8=
400× 6=
100× 5=
40× 6=
20× 3=
80× 9=
80× 6=
6× 300=
600× 8=
700× 6=
80× 2=
56× 7≈
40× 7=
80× 3=
70× 7=
300× 7=
500× 6=
36× 9≈
400× 8=
300× 5=
90× 7=
50× 5=
200× 2=
4× 700=
70× 9=
50× 5=
5× 500=
200× 5=
20× 8=
45× 9≈
500× 7=
100× 2=
80× 8=
60× 6=
70× 3=
90× 7=
200× 4=
50× 5=
60× 9=
6000× 2=
200× 5=
300× 4=
200×7=
1000×7=
100× 5=
700× 6=
60× 3=
300× 5=
800× 5=
400× 5=
40× 2=
50× 5=
80× 6=
4× 500=
200× 9=
5× 300=
400× 5=
80× 9=
3× 500=
40× 7=
200× 3=
36× 9≈
54× 8≈
300× 6=
600× 6=
9× 500=
30× 3=
6× 900=
200× 6=
300× 8=
4× 600=
70-32=
38+57=
60×2=
32+57=
44÷4=
76-64=
6×600=
4×200=
23× 3=
72÷8=
500×8=
72-8=
600×4=
300×3=
25+49=
63-25=
26+56=
14+62=
9×300=
70-23=
3×80=
900×4=
5×200=
2×200=
200×3=
45+18=
51-37=
38+57=
15+60=
300× 5=
16+70=
35+18=
48-25=
84÷9=
36÷5=
57+34=
27+58=
400× 2=
90×3=
82÷9=
3×900=
76-68=
500× 8=
24+39=
37+25=
54+18=
66÷7=
200×3=
2×200=
38÷4=
80÷4=
300÷6=
200÷ 5=
30÷ 3=
60÷ 6=
120÷ 4=
80÷ 8=
70÷ 7=
8000÷ 4=
300÷ 5=
450÷ 5=
400÷ 5=
500÷ 5=
600÷ 5=
200÷ 4=
360÷ 9=
400÷ 2=
50÷ 5=
90÷ 9=
700÷ 7=
300÷ 3=
÷ 5=
40÷ 2=
300÷ 5=
40÷ 4=
80÷ 2=
÷ 2=
4000÷ 2=
4000÷ 5=
3000÷ 4=
60÷ 3=
40÷ 5=
60÷ 2=
400÷ 8=
100÷ 2=
90÷ 3=
800÷ 2=
800÷ 5=
560÷ 8=
630÷ 9=
160÷ 8=
120÷ 3=
420÷ 7=
640÷ 8=
60÷ 6=
180÷ 2=
150÷ 3=
200÷ 5=
350÷ 5=
17×4=
13×2=
28×2=
36×2=
38×2=
26×3=
16×6=
12×5=
12×2=
15×3=
30×7=
12×3=
26×2=
25×2=
11×2=
11×4=
13×2=
56÷4=
20×2=
12×2=
10×3=
60×0=
21×2=
22×2=
70×0=
14×6=
15×2=
17×4=
10×2=
15×3=
15×2=
30×8=
14×5=
50×4=
12×6=
60÷6=
10×8=
16×3=
80×9=
48×2=
41×2=
10×2=
32×2=
18×2=
70×9=
31×2=
25×2=
10×6=
18×2=
70÷5=
100×2=
700×9=
500×9=
214×4=
800×4=
110×4=
180×3=
230×4=
123×4=
700×3=
190×4=
210×3=
300×5=
600×7=
333×3=
150×2=
240×3=
100×3=
108×4=
700×9=
190×2=
126×3=
210×4=
106×4=
300×5=
4×7-20=
14×2=
50÷5=
16×3=
14×3=
92÷4=
10×2=
30×9=
24×3=
22÷2=
10×5=
16×2=
11×5=
21×2=
14×3=
14×3=
50×0=
90×5=
10×3=
29×2=
80×4=
12×3=
15×5=
60÷6=
16×3=
24×3=
11×3=
12×5=
90×1=
50×7=
16×6=
23×2=
70÷5=
70×0=
14×4=
24×2=
11×2=
10×6=
70×9=
12×5=
31×2=
10×5=
80÷4=
16×3=
72÷4=
17×4=
13×4=
50÷5=
16×2=
12×2=
28×3=
160×3=
210×4=
110×2=
500×4=
100×4=
204×4=
900×7=
700×7=
130×2=
421×2=
200×8=
222×4=
439×2=
300×5=
210×4=
900×5=
200×2=
600×3=
200×3=
150×3=
190×4=
106×3=
900×4=
211×4=
200×3=
10×2=
20÷2=
40×9=
12×4=
75÷5=
72-47=
63÷3=
23×30=
513×9=
205÷5=
20×5=
27×5=
84÷4=
4×815=
46×10=
27+15=
510÷3=
15÷3=
99÷9=
24×20=
872-124=
591÷3=
800÷8=
0÷245=
3000-300=
27+127=
8×122=
265+85=
0×245=
605÷5=
700÷5=
178÷2=
110×35=
0+245=
50×50=
350+70=
30×80=
901÷3=
245÷5=
306÷3=
702-199=
62×15=
520-430=
91×31=
400×20=
480÷3=
860÷4=
51×17=
80÷10=
210÷7=
120×80=
19×5=
15×61=
465÷5=
4500÷9=
27×8=
40×20=
87÷3=
870÷8=
5×80=
300×30=
86×7=
480÷8=
270÷30=
130×4=
88+112=
27×90=
22×22=
92×7=
810÷3=
380÷7=
33÷3=
16×50=
38×60=
72-24=
36×8=
880÷8=
19×39=
14×4=
16×4=
8×50=
6+6×6=
1000÷20=
640÷40=
312×57=
24×8=
78×7=
828÷18=
437+163=
820-560=
34×200=
25×300=
3600÷300=
8400÷600=
1900+5400=
2300-800=
27×4×5=
35×5×2=
40-2=
70+50=
9×799≈
45×28≈
2100÷3=
24÷8=
3×800=
58+33=
1200-200=
45+45=
90+30=
50+80=
5. 21×30=
70+90=
421÷7≈
9×799=
160-60=
50×80=
12×20=
420÷ 7=
420-20=
11×7=
50×90=
90+40=
110-80=
660÷ 6=
80×80=
600÷ 6=
70+2=
52+35=
80÷4=
160÷8=
28÷7=
35÷5=
3×220=
93÷3=
80-46=
42×98≈
170-90=
50+90=
65×10=
10×47=
10×36=
140-7=
720÷8=
26+9=
150+40=
500×4=
50÷5=
480÷4=
880÷4=
82÷9≈
5×5+52=
110-30=
400+300=
540÷6=
30×70=
660÷3=
22×40=
0÷ 93=
43+38=
10×73=
120×4=
63÷9=
300×6=
90-65=
40×70=
125÷2≈
71-68=
3×200=
880÷4=
3×31=
360÷9=
2×440=
280÷ 4=
11×40=
8000-1000=
10×73=
720÷ 8=
90×50=
640÷2=
280÷4=
25+41=
52 ×44≈
131÷6≈
4×9÷6=
600÷1=
620÷2=
7500-500=
58+26=
44×2=
460÷2=
9×400=
900×5=
20×24=
10×58=
36+56=
800÷8=
52×94≈
50×50=
140÷7=
74×54≈
900÷3=
90÷9=
1500÷3=
660÷2=
0÷91=
120×4=
960÷3=
70+500=
3×330=
67-49=
57+29=
0÷49=
23×30=
6000+=
250÷5=
810÷9=
20×31=
41×75≈
57+29=
1600÷2=
9×300=
640÷8=
12×4=
0×97=
32×2=
3×33=
690÷3=
200÷4=
540÷6=
34×20=
80×90=
720÷ 9=
700×5=
10×47=
11×40=
80×80=
36+56=
400+600=
720÷ 8=
500+40=
320÷ 4=
640÷ 2=
210÷7=
180÷3=
8÷1×8=
30×70=
10×34=
41×20=
30×23=
70×40=
29+14=
88×10=
34+29=
33×30=
22×40=
83÷9≈
30×50=
3×8=
80×99≈
20+90=
120×4=
65×10=
7000-3990≈
660÷6=
10×36=
80×50=
600÷6=
800÷ 8=
32×20=
440÷4=
77-29=
75+18=
80÷2=
280÷4=
80+20=
640÷8=
660÷3=
30×30=
5900-5000=
6000+=
200×4=
22×30=
21×30=
87×10=
33×20=
0÷93=
600+700=
40×10=
90×100=
130-2=
310×3=
82-55=
600÷ 3=
7×50=
80+17=
90÷ 3=
800÷ 4=
360÷ 6=
1200-715=
53-14=
140÷ 2=
840÷ 2=
13×3=
50×6=
960÷3=
390÷3=
310×3=
48+28=
880÷ 8=
54+28=
180÷ 3=
60-15=
37+56=
299÷ 6≈
17+27=
660÷ 6=
430×2=
34+56=
159÷ 4≈
1500-903=
230×3=
720÷9=
641÷8≈
879÷8≈
42×3=
300÷5=
900÷3=
32×3=
50×7=
840÷4=
7×800=
540÷9=
96÷3=
620÷2=
1807-800=
11×4=
4700-700=
480÷8=
9×500=
1700-800=
930÷3=
450÷9=
70×7=
0×37=
2×14=
7×700=
31×3=
2×330=
6×800=
63÷3=
26+57=
37+8=
500+500=
0÷ 47=
24×2=
7×80=
89÷ 3=
24×2-3=
7×81=
23×30=
40×50=
24×2=
70×11=
30×21=
1×36=
800÷ 8=
480÷ 8=
33×2=
560÷ 7=
0÷ 54=
48×10=
562÷ 7≈
0÷ 54=
53×10=
60×50=
30×21=
30×70=
30×40=
20×70=
10×19=
33+57=
630÷3=
800÷2=
440÷4=
23×3=
40×40=
241÷2≈
(23-3)×3=
60×70=
70×80=
7×11=
10×74=
24×20=
28×1=
11×50=
600×3=
62-33=
700÷8=
93÷3=
12×30=
40×10=
30÷(3-1)=
13×30=
10×68=
50×70=
50×10=
12×20=
20×13=
30×30=
28×10=
21×40=
6×90=
31×20=
21×2=
22×4=
12×40=
200×3=
3×700=
24×20=
800×7=
13×30=
60×40=
40×90=
48+19=
20+35=
84×1=
31×20=
20×50=
12×10=
20×33=
22×3=
44×20=
30×80=
220×3=
41×20=
33×30=
50×30=
723÷ 9≈
23×30=
90×30=
2×31=
70×6=
45+35=
900×6=
702×6=
10×36=
31×2=
90×20=
60×90=
12×4=
33×10=
22×40=
21×30=
20×41=
0×45=
10×89=
4×90=
21×40=
33×20=
4×900=
32×20=
34×20=
84×10=
30×33=
14×20=
20×13=
39×10=
22×30=
50×90=
90×40=
10×46=
6×600=
50×70=
69×10=
60×60=
30×20=
40×70=
2×310=
70×60=
33×30=
9×800=
70×30=
22×30=
400+300=
80×70=
22×40=
46+37=
360÷ 9=
490÷ 7=
65×0=
21×40=
+300=
0×66=
400+300=
12×20=
700÷ 7=
2×42=
6×500=
5×900=
201×4=
44+20=
420÷ 6=
10×34=
20×34=
330÷ 3=
80×40=
880÷ 2=
50×30=
34+39=
30×80=
33×30=
86-47=
8×70=
10×33=
0÷20=
41×39≈
300÷6=
40×90=
300×3=
250÷5=
10×37=
70×20=
640÷8=
360÷6=
41×20=
0÷59=
5×90=
42×20=
22×0=
6×60=
43×20=
40×11=
90×60=
80×4=
680-80=
20×50=
400÷4=
880÷ 4=
99×10=
97×10=
11×80=
200÷ 4=
44-37=
71-23=
43×2=
90×30=
42×20=
52-29=
480÷ 8=
60×50=
20×23=
10×35=
50×90=
420÷ 6=
22×40=
630÷ 9=
31×20=
40×12=
0÷ 43=
0×20=
30×12=
100÷ 5=
240×2=
33×30=
410×2=
440÷ 4=
29+61=
80×30=
300÷ 6=
33×20=
30×23=
600+90=
84-47=
31×30=
75+18=
46+24=
10×50=
52+39=
50×5=
41×20=
30×32=
410÷7≈
20×14=
240÷ 4=
900÷9=
330×3=
4700-700=
630÷7=
21×30=
23+48=
0÷73=
350÷5=
400÷8=
800×3=
310×3=
0×35=
30×30=
90×50=
69×10=
810÷9=
0×30=
750-50=
300÷ 5=
70×11=
44. 49+33=
11×4=
90+20=
40×70=
480÷ 8=
300+700=
4500-500=
707÷ 7=
230×3=
17-8=
43+38=
10×80=
700×5=
32×3=
13×3=
39÷ 3=
63÷ 3=
58-0=
60×5=
5010+≈
420÷ 2=
20×40=
23×3=
77-48=
820÷2=
400÷4=
78-36=
10-5=
350÷5=
84-65=
500+40=
40×70=
540÷9=
120×3=
990÷3=
800+700=
48÷2=
840÷4=
46÷9≈
180-80=
90×50=
51×82≈
81×99≈
48÷4=
600×7=
560÷8=
160÷4=
2×440=
2×44=
43-16=
88×10=
440÷ 4=
90÷ 9=
480÷ 2=
420÷ 2=
690÷ 3=
480÷ 2=
0÷ 51=
84÷ 4=
68-49=
42×42≈
83÷9≈
45×52≈
57-38=
770÷ 7=
65+15=
0×85=
930÷ 3=
80×7=
66×54≈
150-60=
70+80=
1500-700=
660÷ 3=
660÷ 6=
70÷7=
83-57=
330÷3=
66+26=
700+600=
110-6=
42×2=
960÷3=
800×2=
5×900=
29+68=
3×23=
131÷6≈
150 ÷2≈
65÷9≈
99÷3=
180÷9=
140÷2=
32+9=
71-7=
28+17=
64-36=
15×4=
56×10=
5×60=
10×10=
70×3=
60×3=
400÷2=
30×8=
31×2=
9×80=
42×30=
20×10=
6×30=
70-3=
50÷2=
90÷3=
800÷4=
36÷3=
15×40=
30×20=
8×70=
150×4=
60×40=
22×4=
69÷3=
13×2=
84÷4=
49×10=
31×30=
7×40=
16×40=
35×20=
66÷6=
62÷2=
20×4=
140÷7=
150×2=
4×60=
27×30=
50×30=
64÷4=
36+50=
63-7=
260×2=
300×6=
34×2=
120÷6=
25×40=
308×7=
90×6=
3200×2=
900÷6=
1900×5=
36×20=
48÷4=
400÷8=
11×40=
40×50=
230×20=
75-26=
15×8=
15×5=
25×4=
125×8=
105×30=
1400×5=
24×20=
10×47=
720÷4=
4×250=
18×3=
420÷3=
53+26=
18+6=
130×3=
21×40=
23×30=
490÷7=
14×5=
13×5=
1200÷4=
12×8=
28×3=
12×20=
50×70=
160×2=
6×800=
90-15=
99÷9=
200×30=
60×50=
35×20=
51÷3=
21×3=
30×60=
14×4=
5×17=
92÷2=
6×13=
18×2=
26×30=
480÷2=
110×8=
3×24=
86÷2=
42×4=
150÷3=
15×80=
24×3=
15×6=
17×3=
75×4=
48÷3=
150×4=
650÷5=
84÷3=
18×4=
50×60=
130×5=
48+16=
700×2=
26+9= 57-38=
1500-700=
42×2=
99÷3=
770÷7=
660÷3=
960÷3=
180÷9=
65+15=
660÷6=
800×2=
50÷5=
3×800=
420÷7=
3×220=
480÷4=
58+33=
420-20=
93÷3=
880÷4=
1200-200=
11×7=
80-46=
0÷51=
0÷76=
0×85=
70÷7=
14×2=
5×900=
2×200=
84÷4=
0÷91=
930÷3=
390÷3=
0+22=
83-57=
29+68=
68-49=
80×7=
800÷4=
330÷3=
3×23=
64÷2
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