负五分之十六乘以负七分之二除以五分之八?

2025-03-22 11:28:17
推荐回答(2个)
回答(1):

-16/5×(-2/7)÷8/5
=16/5×5/8×2/7
=2×2/7
=4/7

回答(2):

-16/5×(-2/7)÷8/5
=16/5×2/7×5/8
=16/5×5/8×2/7
=2×2/7
=4/7