Question

用你喜欢的方法计算．25.74-3.57-6.433.5÷[（0.45-0.38）×0.01]12.5×3.4×89.4×[0.96÷（5.4÷0.9）]

用你喜欢的方法计算．25.74-3.57-6.433.5÷[（0.45-0.38）×0.01]12.5×3.4×89.4×[0.96÷（5.4÷0.9）]3.2×0.28+0.28×6.880.3-33.3×0.5÷0.374.8+0.2+4.8+0.24.9×[1.28+（1.45-0.73）]

Answer 1

（1）25.74-3.57-6.43
=25.74-（3.57+6.43）
=25.74-10
=15.74

（2）3.5÷[（0.45-0.38）×0.01]
=3.5÷[0.07×0.01]
=3.5÷0.0007
=5000

（3）12.5×3.4×8
=（12.5×8）×3.4
=100×3.4
=340

（4）9.4×[0.96÷（5.4÷0.9）]
=9.4×[0.96÷6]
=9.4×0.16
=1.504

（5）3.2×0.28+0.28×6.8
=（3.2+6.8）×0.28
=10×0.28
=2.8

（6）80.3-33.3×0.5÷0.37
=80.3-16.65÷0.37
=80.3-45
=35.3

（7）4.8+0.2+4.8+0.2
=（4.8+0.2）×2
=5×2
=10

（8）4.9×[1.28+（1.45-0.73）]
=4.9×[1.28+0.72]
=4.9×2
=9.8