资源描述
0.8+0.6=
1.25×80=
5.24+3.76=
625×0.8=
4.2-3.6=
0.32÷16=
13+0.26=
9.6÷16=
14.5-0.24=
4÷8=
1.3+8.46=
0.8-0.45=
5×2.4=
1-0.01=
8.1÷3=
2.4÷12=
250×0.4=
20.5+2.05=
37.5×400=
0.78+2.2=
1.5×8=
6×1.5=
25×0.4=
9.6÷16=
4-0.04=
4.15+0.85=
10-0.1=
0.13×7=
9.6÷4=
0.16÷8=
0.8×25= 0×4.23= 0.57+0.43=
2.4×0.2= 0.02×500= 2.89+9.17=
2.8×10= 8.29×100= 2.5×0.4=
4.87-1.7= 8.07×1000= 25.6×3=
0.328÷8= 3.51÷3= 7.21÷7=
23÷25= 3.64÷14 = 1.06×0.82=
7.8÷28= 600÷50= 2×0.16=
84×0.25= 0.36×0.9= 0.06×0.75=
2.4÷3= 20×0.5= 0.8×6=
1000×0.09= 1.35÷27= 0.41×2.01=
58×0.32= 1.08×52= 0.63×0.12=
8.5×0.54= 5.62×2.4= 0.28×0.16=
二、列竖式计算
1.64+2.35=
8.65-6.31=
28.448÷14=
0.58×250=
12.5+3.6=
10.88÷34=
10-7.64=
1.86×7=
13.88-6.29=
926×0.15=
8÷500=
26.3+7.93=
13.6+8.46=
100.2-2.28=
44÷9精确到百分位
23×7.06=
三、计算(能简便的用简便方法计算)
8×25×1.25×16
4.04×250
45.55-(6.82+15.55)
3.2×99+3.2
4.8×39+61×4.8
34.52-17.87-12.23
2.5×56+4.5×65
48.9×109-489
4.57+3.17+3.43+5.83
(85+40)×(20-5)
578-405÷45×16
4.6×56+48×4.6-4.6×4
5x=450 12(6-x)=42
1.2×6+4x=12 (4)8.5x-x=22.5
用简便方法计算。
0.25 ×3.2×12.5 36×10.1
0.25×44 22.2×4+17.8×4
3.8×6.7+3.3×3.81.28×0.29-0.29×0.28
用递等式计算。
2.6+1.4×1.5-1.5 (37-3.6÷4.8)÷12.5
2.6+2.4×(1.4-1.05) 15.6÷16×(0.25+1.25)
30.8÷[14-(9.85+1.07)] [60-(9.5+28.9)]÷0.18
2.881÷0.43-0.24×3.5 20×[(2.44-1.8)÷0.4+0.15]
28-(3.4+1.25×2.4) 2.55×7.1+2.45×7.1
777×9+1111×3 0.8×[15.5-(3.21+5.79)
(31.8+3.2×4) ÷ 5 31.5×4÷(6+3)
0.64×25×7.8+2.2 2÷2.5+2.5÷2
469×12+1492 19.4×6.1×5.67×0.2-0.62
18.1×0.92+3.93 0.4×0.7×0.25
0.78+5.436+1 4. 8× 5÷4+1÷4
9x5÷6+5÷6 3÷4x8÷9-1÷3
31x5÷6-5÷6 16. 5÷9x18-14x2÷7
36. 178-145÷5×6+42 7.2÷0.8-1.2×5
6.5×(4.8-1.2×4) 28-(3.4+1.25×2.4)
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