2⼀3÷5+4⼀3×4⼀5怎么简便计算?

2025-06-22 21:07:17
推荐回答(3个)
回答1:

原式
=2/3Ⅹ1/5+4/3x4/5
=2/15+16/15
=18/15
=6/5

回答2:

=2/3*1/5+4/3*4/5
=2/15+16/15
=18/15
=6/5

回答3:

2/3/5+4/3x4/5
=2/3x1/5+16/15
=2/15+16/15
=18/15
=6/5