怎样简便怎么算 六分之一+三分之二×七分之三 二十一分之四×二分之九-五分之四×六分之五

2024-11-22 18:00:06
推荐回答(3个)
回答(1):

(六分之五-十二分之五)×36
=30-15
=15

七分之一×34×7×十七分之二
=34*2/17
=4

20*2/5+5/6*1/5
=8+1/6
=8又6分之1

(8/9+3/4)*36
=32+27
=59

回答(2):

6分之73

59

回答(3):

1/6+2/3*3/7
=1/6+2/7
=7/42+12/42
=19/42

4/21*9/2-4/5*5/6
=6/7-2/3
=18/21-14/21
=4/21

(5/6-5/12)*36
=5/6*36-5/12*36
=30-15
=15

1/7*34*7*2/17
=(1/7*7)*(34*2/17)
=1*4
=4

20*2/5+5/6*1/5
=8+1/6
=8又1/6

(8/9+3/4)*36
=8/9*36+3/4*36
=32+27
=59