0.625×0点5+5⼀8+2分之一乘八分之五怎样

2025-12-14 23:44:43
推荐回答(2个)
回答1:

解:0.625*0.5+5/8+1/2*(5/8)
=5/8*(1/2)+5/8+1/2*(5/8)
=5/8*(1/2+1/2)+5/8
=5/8+5/8
=5/4
=1.25

回答2:

0.625X0.5+5/8+1/2X5/8
=5/8X(0.5+1+0.5)
=5/8X2
=5/4
=1又4分之1