1.6乘括号-1又4⼀5乘括号-2.5乘括号-3⼀8

1.6乘括号-1又4/5乘括号-2.5乘括号-3/8
2025-04-28 01:12:03
推荐回答(1个)
回答1:

1.6x(-1又4/5)x(-2.5)x(-3/8)
=-1.6x9/5x2.5x3/8
=-(1.6x3/8)x(9/5x2.5)
=-0.6x4.5
=-2.7