Question

3.6*3.5-1.2*0.5简便运算？

Answer 1

3.6x3.5-1.2x0.5
=（1.2x3）x3.5-1.2x0.5
=1.2x10.5-1.2x0.5
=1.2x（10.5-0.5）
=1.2x10
=12
希望能帮到你！

Answer 2

3.6*3.5-1.2*0.5简便运算
=1.2×3×3.5-1.2×0.5
=1.2×(3×3.5-0.5)
=1.2×10
=12