(3⼀4+1⼀4÷4⼀9)×8简便计算怎么做?

2024-12-01 23:03:06
推荐回答(1个)
回答1:

(3/4+1/4÷4/9)×8
=8×3/4 + 8×1/4÷4/9
=6 + 2×9/4
=6+4.5
=10.5