1、 口 算100 17×40= 100-63= 3.2+1.68= 2.8×0.4= 14-7.4= 1.92÷0.04= 0.32×500= 0.65+4.35= 10-5.4= 4÷20= 3 .5×200= 1.5-0.06= 0.75÷15= 0.4×0.8= 4×0.25= 0.36+1.54= 1.01×99= 420÷35= 25×12= 135÷0.5= 3/4 + 1/4 = 2 + 4/9 =
2、3 - 2/3 = 3/4 - 1/2= 1/6+1/2= 7.5-(2.5+3.8)= 7/8 + 3/8 = 3/10 +1/5 = 4/5 - 7/10 = 0.51÷17= 32.8+19= 5.2÷1.3= 1.6×0.4= 4.9×0.7= 1÷5= 6÷12= 0.87-0.49= 3.8+2+2= 7.26-(5.26-1.5)= 6.28+198= 526+301= 223-99= 6.25+3.85= 125+3.8
3、75= 99÷98×99= 123+25= 123-35= 56×7= 135÷5= 248+89= 146-23= 155×5= 456-12= 456+45= 546-457= 45×10= 564-12= 879+54= 896-546= 56×12= 45-5= 457+456= 0.49÷0.7= 5-0.7= 100÷0.5= 0÷3.5= 1÷0.25=
4、 0.63÷9= 2.2×0.1= 5.6÷0.7= 0.27×100= 0.3×7= 1.85÷1.85= 2.4÷0.8= 10×0.02= 0.32×20= 6.3÷0.3= 4.8×100= 1.5×2= 10÷0.1= 48÷0.2= 0.15×3= 214÷100= 1.8×1= 2.3×3= 0.56÷4= 0×100= 1÷0.5= 4.8÷8=
5、 100×0.01= 7.2÷0.8= 0.4×100= 0.8×0.7= 0.25×4= 1.2×0.4= 5.5×0.3= 0.02×1000= 0.9×0.9= 3×3.6= 40×0.05= 脱式计算100 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×
6、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÷2 194-64.8÷1.8×0.9 36.72÷4.25×9.9 5180-705×6 24÷2.4-2.5×0.8 (4121+2389)÷7 671×15-974 469×12+1492 405×(3213-3189) 3.416÷(0.016×35) 0.8×[
7、10-6.76)÷1.2] 19.4×6.1×2.3 5.67×0.2-0.62 18.1×0.92+3.93 0.04+30.24+0.875 0.4×0.7×0.25 0.78+5.436+1 4.07×0.86+9.12.5 6.9+4.8+3.1 0.456+6.22+3.78 15.89+(6.75-5.89) 27.5×3.7-7.5×3.7 8.54÷2.5÷0.4 (45.9-32.7)÷8÷0.125
8、 3.14×0.68+31.4×0.032 5.6÷1.25÷0.8÷2.5÷0.4 7.2×0.2+2.4×1.4 8.9×1.01 7.74×(2.8-1.3)+1.5×2.26 3.9×2.7+3.9×7.3 18-1.8÷0.125÷0.8 12.7×9.9+1.27 21×(9.3-3.7)-5.6 15.02-6.8-1.02 5.4×11-5.4 2.3×16+2.3×23+2.3 9.43-(6.28-1.57) 3.65×4.7-36.5×0.37
9、 46×57+23×86 101×0.87-0.91×87 10.7×16.1-15.1×10.7 56.5×9.9+56.5 7.09×10.8-0.8×7.09 25.48-(9.4-0.52) 320÷1.25÷8 18.76×9.9+18.76 3.52÷2.5÷0.4 3.9-4.1+6.1-5.9 9.6÷0.8÷0.4 4.2×99+4.2 17.8÷(1.78×4) 1.25×2.5×32 15.2÷0.25÷4 0.89×100.1
10、146.5-(23+46.5) 3.83×4.56+3.83×5.44 4.36×12.5×8 9.7×99+9.7 6.9+4.8+3.1 0.456+6.22+3.78 15.89+(6.75-5.89) 4.02+5.4+0.98 5.17-1.8-3.2 13.75-(3.75+6.48) 3.68+7.56-2.68 7.85+2.34-0.85+4.66 35.6-1.8-15.6-7.2 3.82+2.9+0.18+9.1 9.6+4.8-3.6
11、7.14-0.53-2.47 5.27+2.86-0.66+1.63 13.35-4.68+2.65 73.8-1.64-13.8-5.36 47.8-7.45+8.8 0.398+0.36+3.64 15.75+3.59-0.59+14.25 66.86-8.66-1.34 0.25×16.2×4 (1.25-0.125)×8 3.72×3.5+6.28×3.5 36.8-3.9-6.1 15.6×13.1-15.6-15.6×2.1 4.8×7.8+78×0.52 32+4.9-
12、0.9 1.69÷1.3+2.5×0.4 1.25×32×2.5 96.5×105×96.5 0.4×1.2+1.8×0.4 13.6×3.5-3.6×3.5 6.2÷0.3+2.8÷0.3 7.4×9.8-14.5 竖式计算100 l0.86×7= 2.14×62= 0.375×12= 1.8×395= 0.45×108= 1.056×25= 1.8×23= 0.37×0.4= 1.06×25= 7×0.86= 0.6×0.39=
13、 27×0.43= 1.2÷3= 0.48÷6= 4.6÷23= 14×0.5= 6.8÷4= 0.72÷12= 0.7×1.1= 0.72÷4= 9.6÷6= 5.2÷13= 12.5÷5= 0.12×5= 8÷0.5= 0.32÷16= 0.5×1.1= 0.5+0.14= 1.25×4= 6.3÷2.1= 0.92÷4= 6÷1.2= 0.4÷8=
14、 7.6-3.8= 6.8÷1.7= 0.56÷14= 2.4÷0.6= 84÷0.04= 0.49÷0.7= 6.3÷3.1= 96÷0.6= 1.55÷0.5= 0.35÷0.07= 36÷1.2= 4.8÷3= 1.8×0.5= 0.05×4= 0÷5.32= 99×75= 54×35= 56×41= 20×90= 12×66= 60×56= 70×60=
15、 41×20= 39×84= 78×88= 72×65= 47×23= 52×61= 88×94= 40×91= 49×66= 97×73= 82×10= 1 8×14= 21×44= 11×20= 24×34= 10×59= 31×83= 10×55= 53×21= 25×50= 40×19= 24×55= 11×87= 86×74= 93×91= 2769 ÷390= 1568 ÷980= 4576 ÷520= 1440 ÷240= 3072 ÷960= 272 ÷680= 3040 ÷400= 576 ÷120= 1577 ÷830= 5005 ÷550= 1701 ÷270= 6633 ÷990= 117 ÷30= 825 ÷750= 3901 ÷470= 1045 ÷190= 2457 ÷910= 6237 ÷630= 2485 ÷350= 2832 ÷590=






