小数乘除及混合计算题练习题
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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= 2
5.6×3=
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=
23×7.06=
13.6+8.46= 100.2-2.28= 44÷9精确到百分
位
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×
3.520×[(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+1111×30.8×[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+149219.4×6.1×5.67×0.2-0.62 18.1×0.92+3.930.4×0.7×0.25
0.78+5.436+1 4. 8×5÷4+1÷4
9x5÷6+5÷63÷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)