2⼀9+1⼀2÷4⼀5+3⼀8

2025-04-07 03:26:15
推荐回答(2个)
回答1:

2/9+1/2÷4/5+3/8
=2/9+1/2×5/4+3/8
=2/9+5/8+3/8
=2/9+1
=1又9分之2

回答2:

2/9+1/2+4/5+3/8
=1/323/600
=683/360