12345678 ()+()=9? ()+()=7? ()-()=1? ()-()=2? 每个数只
1个回答
12345678
(1)+(8)=9?
(2)+(5)=7?
(3)-(2)=1?
(6)-(4)=2?
每个数只能用一次
相关问题
用12345678()-()=1 ()+()=9 ()-()=2 ()+()=7 每个数字
12345678,()-()=1,()+()=9,()-()=2,()+()=7,每个数字只能用
12345678每个数字只能用一回 ()-()=1 ()+()=9 ()-()=2 ()+()=7
12345678 ()-()=1 ()-()=2 ()+()=7 ()+()=9 求解
求解数学题?12345678只可以出现一次。()-()=1()- ()=2 ()+ ()=9 ()+ ()=7
用12345678使下列算式成立每个只能用一次()-()=1()-()=2()+()=7()+()=9
()-()=1 ()- ()=2 ()+()=9 ()+()=7。用12345678填
()-()=1 ()+()=9 ()-()=2 ()+()=7 ,12345678数字填在()
12345678 ()-()=1 ()-()=2 ()+()=9 ()+()=7数字不重复
数学难题12345678任选一个数填入括号,每个数只能用一次,不能重复。( )-( )=1()-()=2()+()=7(