12×括号5/12+1/20括回来乘以20等于多少

Question

12×括号5/12+1/20括回来乘以20等于多少

Answer 1

原式=12*20*5/12+12*20*1/20
=100+12
=112.

Answer 2

Answer 3

括号5+81×20，除以2等于112页

Answer 4

12x（5/12+1/20）x20
=5/12x12x20+1/20x20x12
=5x20+1x12
=100+12
=112本回答被网友采纳