Question

0.34乘32加3.4乘4.3加34乖0.25怎么简便计算

Answer 1

0.34x32+3.4x4.3+34x0.25
=3.4x3.2+3.4x4.3+3.4x2.5
=3.4x（3.2+4.3+2.5）
=3.4x10
=34

Answer 2

0.34×32+3.4×4.3+34×0.25
=3.4×3.2+3.4×4.3+3.4×2.5
=3.4×(3.2+4.3+2.5)
=3.4×10
=34