()()+()-()=() ()x()=()()用1-9的数,不能重复.
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()()+()-()=() ()x()=()()用1-9的数,不能重复.
()()+()-()=() ()x()=()()用1-9的数,不能重复.
()()+()-()=() ()x()=()()用1-9的数,不能重复.
1738 * 4 = 6952
1963 * 4 = 7852
(1)(2)+(4)-(7)=(9)
(5)x(6)=(3)(0)
6*9=54
12+3-7=8
12+3-7=8 6*9=54
12+3-8=7 6*9=54
13+2-7=8 6*9=54
13+2-8=7 6*9=54