1,5,5,5和3,3,7,7运用混合运算=24如2,2,8,8 =(8-2)×(8÷2)=243,3,7,7= =24
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![1,5,5,5和3,3,7,7运用混合运算=24如2,2,8,8 =(8-2)×(8÷2)=243,3,7,7= =24](/uploads/image/z/11510241-33-1.jpg?t=1%2C5%2C5%2C5%E5%92%8C3%2C3%2C7%2C7%E8%BF%90%E7%94%A8%E6%B7%B7%E5%90%88%E8%BF%90%E7%AE%97%3D24%E5%A6%822%2C2%2C8%2C8+%3D%EF%BC%888-2%EF%BC%89%C3%97%EF%BC%888%C3%B72%EF%BC%89%3D243%2C3%2C7%2C7%3D+%3D24)
1,5,5,5和3,3,7,7运用混合运算=24如2,2,8,8 =(8-2)×(8÷2)=243,3,7,7= =24
1,5,5,5和3,3,7,7运用混合运算=24
如2,2,8,8 =(8-2)×(8÷2)=24
3,3,7,7= =24
1,5,5,5和3,3,7,7运用混合运算=24如2,2,8,8 =(8-2)×(8÷2)=243,3,7,7= =24
(5-1/5)×5=24
(3+3/7)×7=24
1: (5 - 1 ÷ 5) × 5
2: (5 - (1 ÷ 5)) × 5
3: 5 × (5 - 1 ÷ 5)
4: 5 × (5 - (1 ÷ 5))
1: (3 + 3 ÷ 7) × 7
2: (3 + (3 ÷ 7)) × 7
3: (3 ÷ 7 + 3) × 7
4: ((3 ÷ 7) + 3) × 7
5: 7 × (3 + 3 ÷ 7)
6: 7 × (3 + (3 ÷ 7))
7: 7 × (3 ÷ 7 + 3)
8: 7 × ((3 ÷ 7) + 3)