用乘法分配律计算8×(125+90)反括号等于多少?

2025-01-19 08:23:10
推荐回答(2个)
回答1:

8×(125+90)
=8x125+8x90
=1000+720
=1720

回答2:

解:8x125+8x90
=1000+720
=1720