1－1/6 +1/42 +1/56 +1/72

来源：学生作业帮助网 编辑：六六作业网 时间：2024/12/18 20:42:49
1－1/6+1/42+1/56+1/721－1/6+1/42+1/56+1/721－1/6+1/42+1/56+1/728/91－1/6+1/42+1/56+1/72=1-12/72+1/72+4/1

1－1/6 +1/42 +1/56 +1/72
1－1/6 +1/42 +1/56 +1/72

1－1/6 +1/42 +1/56 +1/72
8/9

1－1/6 +1/42 +1/56 +1/72
=1-12/72+1/72+4/168+3/168
=1-13/72+7/168
=1-91/504+21/504
=1-112/504
=392/504
=196/252
=98/126
=49/63
=7/9

1－1/6 +1/42 +1/56 +1/72 1-1/6＋1/42+1/56+1/72 1-6分之1+42分之1+56分之1 1/2+1/6+1/12+1/20+1/30+1/42+1/56+1/72 1/2+1/6+1/12+1/20+1/30+1/42+1/56+1/72 1/2+1/6+1/12+1/20+1/30+1/42+1/56 简算 1/2+1/6+1/12+1/20+1/30+1/42+1/56简算, 简便运算：1/2+1/6+1/12+1/20+1/30+1/42+1/56 2/1+6/1+12/1+20/1+30/1+42/1+56/1=? 1/6+1/12+1/20+1/30+1/42+1/56+1/72 简便计算 1-1/6+1/42+1/56+1/72+1/90+1/110怎么简便 1/2 - 1/6 - 1/12 - 1/20 - 1/30 - 1/42 - 1/56怎么算 1/2+1/6+1/12+1/20+1/30+1/42+1/56 1/2-1/6-1/12-1/20-1/30-1/42-1/56等于多少 2/1+6/1+12/1+20/1+30/1+42/1+56/1= 1/2+1/6+1/12+1/20+1/30+1/42+1/56= 1/2+1/6+1/12+1/20+1/30+1/42+1/56 1/2+1/6+1/12+1/20+1/30+1/42+1/56