)3( )3( )3=3、4、5、6、7 填加减乘除运算符号3()3()3()3=33()3()3()3=43()3()3()3=53()3()3()3=63()3()3()3=7
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)3()3()3=3、4、5、6、7填加减乘除运算符号3()3()3()3=33()3()3()3=43()3()3()3=53()3()3()3=63()3()3()3=7)3()3()3=3、4、
)3( )3( )3=3、4、5、6、7 填加减乘除运算符号3()3()3()3=33()3()3()3=43()3()3()3=53()3()3()3=63()3()3()3=7
)3( )3( )3=3、4、5、6、7 填加减乘除运算符号
3()3()3()3=3
3()3()3()3=4
3()3()3()3=5
3()3()3()3=6
3()3()3()3=7
)3( )3( )3=3、4、5、6、7 填加减乘除运算符号3()3()3()3=33()3()3()3=43()3()3()3=53()3()3()3=63()3()3()3=7
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(5x-3)/4=3+(7x+5)/6
5*3*8*6*0*5*7*5*8*3*4/3/4/7=?
3 3 3 3=4 3 3 3 3=5 3 3 3 3=6 3 3 3 3=7 3 3 3 3=8 在空格填上符号,使算式成立
3,4,5,6,7,
3,4,5,6,7
3+4+5+6+7
3 4 5 6 7
3 4 5 6 7 .
3,4,5,6,7,
3,4,5,6,7,
3,4,5,6,7
6+7+3+5=?
(3x-3)/2+(3x-3)/3+(3x-3)/4+(3x-3)/5+(3x-3)/6+(3x-3)/7+(3x-3)/8+(3x-3)/9+(3x-3)/10=0
3/4+3×7/6=?5/7÷3-2/21=?
x+5 6x+4>7 x/3=7 3x=5*6 a
x+5 6x+4>7 x/3=7 3x=5*6 a
1+2+3+4+5+6+7+89+7=
13/7×2/7÷7 3/5X÷3/4=5/6