(1)7²-3³+(-7)^0+(-3)^0=24
(-7)²-3³+7^0+(-3)^0=24
3³-7²-(-7)^0-(-3)^0=-24
3³-(-7)²-(-3)^0-7^0=-24
(-3)³+7²+(-7)^0+3^0=24
(-3)³+(-7)²+7^0+3^0=24
(2)2³×3+(-2)^0-1=24
(-2)³×3+2^0-1=-24
(1)7×(-3/-7+3)=24
(2)(1+2)×(-2)³=-24
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