7⼀13×4⼀5+6⼀13÷4⼀5 (7⼀24-3⼀16)÷1⼀8 7⼀13×4⼀5+6⼀13÷5⼀4简便运算 ⼀是分数线

2024-11-18 18:06:13
推荐回答(1个)
回答1:

7/13×4/5+6/13÷4/5
=(7/13+6/13)*4/5
=1*4/5
=4/5
(7/24-3/16)÷1/8
=7/3-3/2
=(14-9)/6
=5/6
7/13×4/5+6/13÷5/4
=
7/13×4/5+6/13*4/5
=(7/13+6/13)*4/5
=1*4/5
=4/5
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