2.5、-5、5、7算24点
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咨询记录 · 回答于2022-09-11
2.5、-5、5、7算24点
1:2 × 7 + 5 + 52:(2 × 7) + 5 + 53:(2 × 7 + 5) + 54:((2 × 7) + 5) + 55:2 × 7 +(5 + 5)6:(2 × 7) + (5 + 5)7:5 + 2 × 7 + 58:(5 + 2 × 7) + 59:(5 + (2 × 7)) + 510:5 + (2 × 7) + 511:5 + (2 × 7 + 5)12:5 + ((2 × 7) + 5)13:5 + 5 + 2 × 714:(5 + 5) + 2 × 715:5 + (5 + 2 × 7)16:5 + (5 + (2 × 7))17:5 + 5 +(2 × 7)18:(5 + 5) + (2 × 7)19:5 + 5 + 7 × 220:(5 + 5) + 7 × 221:5 + (5 + 7 × 2)22:5 + (5 + (7 × 2))23:5 + 5 +(7 × 2)24:(5 + 5) + (7 × 2)25:5 + 7 × 2 + 526:(5 + 7 × 2) + 527:(5 + (7 × 2)) + 528:5 + (7 × 2) + 529:5 + (7 × 2 + 5)30:5 + ((7 × 2) + 5)31:7 × 2 + 5 + 532:(7 × 2) + 5 + 533:(7 × 2 + 5) + 534:((7 × 2) + 5) + 535:7 × 2 +(5 + 5)36:(7 × 2) + (5 + 5)