24点，5&5&7&7加减乘除都可用怎么用死种方法算出来

显示全部楼层 · 2010-3-26 11:26:43

（5+7）×（7-5） 5×5-7÷7 7×7-5×5 你那个算出来是23吧？

千问 · 2010-3-26 11:26:43

5*5-7/7=24 7*7-5*5=24

千问 · 2010-3-26 11:26:43

5*5-7/7=24 7*7-5*5=24 5+7）×（7-5） =24

千问 · 2010-3-26 11:26:43

1:5 + 5 + 7 + 72:(5 + 5) + 7 + 73:(5 + 5 + 7) + 74:((5 + 5) + 7) + 75:(5 + (5 + 7)) + 76:5 + (5 + 7) + 77:5 + (5 + 7 + 7)8:5 + ((5 + 7) + 7)9:5 + (5 + (7 + 7))10:5 + 5 +(7 + 7)11:(5 + 5) + (7 + 7)12:5 × 5 - 7 ÷ 713:(5 × 5) - 7 ÷ 714:5 × 5 -(7 ÷ 7)15:(5 × 5) - (7 ÷ 7)16:5 + 7 + 5 + 717:(5 + 7) + 5 + 718:(5 + 7 + 5) + 719:((5 + 7) + 5) + 720:(5 + (7 + 5)) + 721:5 + (7 + 5) + 722:5 + (7 + 5 + 7)23:5 + ((7 + 5) + 7)24:5 + (7 + (5 + 7))25:5 + 7 +(5 + 7)26:(5 + 7) + (5 + 7)27:5 + 7 + 7 + 528:(5 + 7) + 7 + 529:(5 + 7 + 7) + 530:((5 + 7) + 7) + 531:(5 + (7 + 7)) + 532:5 + (7 + 7) + 533:5 + (7 + 7 + 5)34:5 + ((7 + 7) + 5)35:5 + (7 + (7 + 5))36:5 + 7 +(7 + 5)37:(5 + 7) + (7 + 5)38:(5 + 7) × (7 - 5)39:7 + 5 + 5 + 740:(7 + 5) + 5 + 741:(7 + 5 + 5) + 742:((7 + 5) + 5) + 743:(7 + (5 + 5)) + 744:7 + (5 + 5) + 745:7 + (5 + 5 + 7)46:7 + ((5 + 5) + 7)47:7 + (5 + (5 + 7))48:7 + 5 +(5 + 7)49:(7 + 5) + (5 + 7)50:(7 - 5) × (5 + 7)51:7 + 5 + 7 + 552:(7 + 5) + 7 + 553:(7 + 5 + 7) + 554:((7 + 5) + 7) + 555:(7 + (5 + 7)) + 556:7 + (5 + 7) + 557:7 + (5 + 7 + 5)58:7 + ((5 + 7) + 5)59:7 + (5 + (7 + 5))60:7 + 5 +(7 + 5)61:(7 + 5) + (7 + 5)62:(7 + 5) × (7 - 5)63:(7 - 5) × (7 + 5)64:7 + 7 + 5 + 565:(7 + 7) + 5 + 566:(7 + 7 + 5) + 567:((7 + 7) + 5) + 568:(7 + (7 + 5)) + 569:7 + (7 + 5) + 570:7 + (7 + 5 + 5)71:7 + ((7 + 5) + 5)72:7 + (7 + (5 + 5))73:7 + 7 +(5 + 5)74:(7 + 7) + (5 + 5)75:7 × 7 - 5 × 576:(7 × 7) - 5 × 577:7 × 7 -(5 × 5)78:(7 × 7) - (5 × 5) ((5+5)+7)+75+((5+7)+7)(5+(5+7))+75+(5+(7+7))(5+5)+(7+7)(5*5)-(7/7)((5+5)+7)+75+((5+7)+7)(5+(5+7))+75+(5+(7+7))(5+5)+(7+7)(5*5)-(7/7)((5+7)+5)+75+((7+5)+7)(5+(7+5))+75+(7+(5+7))(5+7)+(5+7)((5+7)+7)+55+((7+7)+5)(5+(7+7))+55+(7+(7+5))(5+7)+(7+5)(5+7)*(7-5)((5+7)+5)+75+((7+5)+7)(5+(7+5))+75+(7+(5+7))(5+7)+(5+7)((5+7)+7)+55+((7+7)+5)(5+(7+7))+55+(7+(7+5))(5+7)+(7+5)(5+7)*(7-5)((5+5)+7)+75+((5+7)+7)(5+(5+7))+75+(5+(7+7))(5+5)+(7+7)(5*5)-(7/7)((5+5)+7)+75+((5+7)+7)(5+(5+7))+75+(5+(7+7))(5+5)+(7+7)(5*5)-(7/7)((5+7)+5)+75+((7+5)+7)(5+(7+5))+75+(7+(5+7))(5+7)+(5+7)((5+7)+7)+55+((7+7)+5)(5+(7+7))+55+(7+(7+5))(5+7)+(7+5)(5+7)*(7-5)((5+7)+5)+75+((7+5)+7)(5+(7+5))+75+(7+(5+7))(5+7)+(5+7)((5+7)+7)+55+((7+7)+5)(5+(7+7))+55+(7+(7+5))(5+7)+(7+5)(5+7)*(7-5)(7-5)*(5+7)((7+5)+5)+77+((5+5)+7)(7+(5+5))+77+(5+(5+7))(7+5)+(5+7)(7-5)*(7+5)((7+5)+7)+57+((5+7)+5)(7+(5+7))+57+(5+(7+5))(7+5)+(7+5)(7+5)*(7-5)(7-5)*(5+7)((7+5)+5)+77+((5+5)+7)(7+(5+5))+77+(5+(5+7))(7+5)+(5+7)(7-5)*(7+5)((7+5)+7)+57+((5+7)+5)(7+(5+7))+57+(5+(7+5))(7+5)+(7+5)(7+5)*(7-5)((7+7)+5)+57+((7+5)+5)(7+(7+5))+57+(7+(5+5))(7+7)+(5+5)(7*7)-(5*5)((7+7)+5)+57+((7+5)+5)(7+(7+5))+57+(7+(5+5))(7+7)+(5+5)(7*7)-(5*5)(7-5)*(5+7)((7+5)+5)+77+((5+5)+7)(7+(5+5))+77+(5+(5+7))(7+5)+(5+7)(7-5)*(7+5)((7+5)+7)+57+((5+7)+5)(7+(5+7))+57+(5+(7+5))(7+5)+(7+5)(7+5)*(7-5)(7-5)*(5+7)((7+5)+5)+77+((5+5)+7)(7+(5+5))+77+(5+(5+7))(7+5)+(5+7)(7-5)*(7+5)((7+5)+7)+57+((5+7)+5)(7+(5+7))+57+(5+(7+5))(7+5)+(7+5)(7+5)*(7-5)((7+7)+5)+57+((7+5)+5)(7+(7+5))+57+(7+(5+5))(7+7)+(5+5)(7*7)-(5*5)((7+7)+5)+57+((7+5)+5)(7+(7+5))+57+(7+(5+5))(7+7)+(5+5)(7*7)-(5*5)