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四个5用符号怎么等于5

解: (1) lg(5+5)-5°+5 =lg10-1+5 =1-1+5 =5 (2) (5-5)x5+5 =0x5+5 =0+5 =5 (3) 5+(5-5)x5 =5+0x5 =5+0 =5

(4+4)÷(4+4)=1 4÷4+4÷4=2 (4×4-4)÷4=3 (4-4)×4+4=4 (4×4+4)÷4=5

根号4+根号4+4除以4 =2+2+1=5

4个5怎样填符号答案等于3 (5+5+5)÷5 =15÷5 =3

在数子之间添上运算符号和括号,使等式成立(4 4 4 4 4 =5): 4x4÷4+4÷4=5 4÷4x4+4÷4=5 4+4-4+4÷4=5。

66÷6-6=5

10*10除以10+10

(4-4)*4+4 (4*4+4)/4

(5*5-5)/5=4

(5-(5/5))*(5+(5/5)

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