Question

十分之七加上六分之五减八分之三的括号乘120等于多少？

10分之7+6分之5-8分之三的括号×120等于多少

Answer 1

根据题意得:
(7/10+5/6-3/8)×120
=(7/10+11/24)×120
=139/120×120
=139

Answer 2

(7/10+5/6-3/8)×120
乘法分配律
=7/10×120+5/6×120-3/8×120
=84+100-45
=139

Answer 3

（7/10+5/6-3/8）x120
=7/10x120+5/6x120-3/8x120
=7x12+5x20-3x15
=84+100-45
=140