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3/11-1/12+8/11-11/12的简便方法
(9+10+11/8-10+11+12/9+11+12+13/10-12+13+14/11)/(1/8-1/9+1/10-1/11)=?
-12+11-8+39
8,9,11,12
8,10,11、12,
8,10,11,12,
-12+11-8+39
8,11,12题!
8、10、11、12
12/7-3/11+8/11=
12分之5+8分之3 12-4分之1 12分之11乘11+12分之1124分之9乘15分之8 (11/12)*11+11/12=11
谁能告诉我这100个数字里 12各有几个12,12,3,12,12,11,12,10,12,9,7,12,8,12,5,10,11,5,11,7,11,10,11,11,3,11,11,11,12,12,12,12,2,2,12,4,12,12,12,12,12,12,9,12,9,12,12,10,12,12,12,8,11,11,11,11,1,12,12,10,4,12,12,9,12,12,12,12,12,8,12,5,12,12
8,9,10,11,12
8,9,10,11,12
8,9,10,11,12
计算:(-12)+11+(-8)+39
(-12)+11+(-8)+(+39)=?
-12+11-8+39-52