【简算】 (3⼀4-2⼀3)÷1⼀5 4⼀5×7⼀8+7⼀8÷5 (1-8⼀15×3⼀4)÷3⼀5 (3⼀8+2⼀17)×8+1⼀17

简算
2024-12-03 15:31:40
推荐回答(1个)
回答1:

(3/4-2/3)÷1/5
=1/12ch35
=5/12

4/5×7/8+7/8÷5
=(4/5+1/50×7/8
=1×7/8
=7/8

(1-8/15×3/4)÷3/5
=(1-2/5)×5/3
=3/5×5/3
=1

(3/8+2/17)×8+1/17

=3/8×8+(16/17+1/17)
=3+1
=4