括号5⼀8+1⼀13括号乘6+7⼀13简便计算

括号5/8+1/13括号乘6+7/13简便计算
2024-12-03 18:54:00
推荐回答(2个)
回答1:


回答2:

(5/8+1/13)×6+7/13
=5/8×6+1/13×6+7/13
=15/4+6/13+7/13
=3又3/4+(6/13+7/13)
=3又3/4+1
=4又3/4