3⼀8x[8⼀9÷(5⼀6一3⼀4)]怎么简便计算

2025-04-07 23:48:36
推荐回答(2个)
回答1:

3/8x[8/9÷(5/6一3/4)]
=3/8x8/9÷(5/6一3/4)
=1/3÷1/12
=4

回答2:

3/8x[8/9÷(5/6-3/4)]
=3/8×[8/9÷1/12]
=3/8×8/9÷1/12
=1/3×12
=4