11⼀16×7⼀14+7⼀16×13⼀14的简便方法?

2025-04-15 22:26:45
推荐回答(2个)
回答1:

11/16X7/14+7/16X13/14
=11/16X7/14+13/16X7/14
=(11/16+13/16)X7/14
=24/16X7/14
=3/2X1/2
=3/4

回答2:

11/16×7/14+7/16×13/14
=(11*7+7*13)/(16*14)
=(77+91)/(16*14)
=168/(16*14)
=3/4