1、 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=
2、 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÷
3、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=
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)
5、 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、.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×
7、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
8、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
9、×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) 6 / 6
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