算24点习题.doc

1.5 5 5 12.2 7 9 103.2 7 10 10 4.2 8 8 85.2 8 8 9 6.2 8 8 107.2 8 9 9 8.2 8 9 109.2 8 10 10 10.2 9 10 1011.3 3 3 3 12.3 3 3 413.3 3 3 5 14.3 3 3 615.3 3 3 7 16.3 3 3 817.3 3 3 9 18.3 3 3 1019.3 3 4 4 20.3 3 4 521.3 3 4 6 22.3 3 4 723.3 3 4 8 24.3 3 4 925.3 3 5 526.3 3 5 627.3 3 5 7 28.3 3 5 929.3 3 5 10 30.3 3 6 631.3 3 6 7 32.3 3 6 833.3 3 6 9 34.3 3 6 1035.3 3 7 7 36.3 3 7 837.3 3 7 9 38.3 3 8 839.3 3 8 9 40.3 3 8 1041.3 3 9 9 42.3 3 9 1043.3 4 4 4 44.3 4 4 545.3 4 4 6 46.3 4 4 747.3 4 4 8 48.3 4 4 949.3 4 4 10 50.3 4 5 551.3 4 5 6 52.3 4 5 7 53.3 4 5 8 54.3 4 5 9 55.3 4 5 10 56.3 4 6 6 57.3 4 6 8 58.3 4 6 9 59.3 4 6 10 60.3 4 7 7 61.3 4 7 8 62.3 4 7 9 63.3 4 7 10 64.3 4 8 9 65.3 4 8 10 66.3 4 9 9 67.3 4 10 10 68.3 5 5 6 69.3 5 5 7 70.3 5 5 8 71.3 5 5 9 72.3 5 6 673.3 5 6 7 74.3 5 6 8 75.3 5 6 9 76.3 5 6 1077.3 5 7 8 78.3 5 7 9 79.3 5 7 10 80.3 5 8 881.3 5 8 9 82.3 5 9 983.3 5 9 10 84.3 5 10 10 85.3 6 6 6 86.3 6 6 7 87.3 6 6 8 88.3 6 6 989.3 6 6 10 90.3 6 7 791.3 6 7 8 92.3 6 7 9 93.3 6 7 10 94.3 6 8 8 95.3 6 8 9 96.3 6 8 10 97.3 6 9 9 98.3 6 9 1099.3 6 10 10 100.3 7 7 7101.3 7 7 8 102.3 7 7 9103.3 7 7 10 104.3 7 8 8105.3 7 8 9 106.3 7 9 9107.3 7 9 10 108.3 7 10 10109.3 8 8 8 110.3 8 8 9111.3 8 8 10 112.3 8 9 9113.3 8 9 10 114.3 8 10 10115.3 9 9 9 116.3 9 9 10 117.3 9 10 10 118.4 4 4 4119.4 4 4 5 120.4 4 4 6121.4 4 4 7 122.4 4 4 8 123.4 4 4 9 124.4 4 4 10125.4 4 5 5 126.4 4 5 6 127.4 4 5 7 128.4 4 5 8129.4 4 5 10 130.4 4 6 841.5（5-1/5）=242.(7-(2-9)+10)=243.(2(7+10)-10)=24 4.(2(8+8)-8)=24 5.(2-(8-9)8)=24 6.(8-(2-8)+10)=24 7.(2+(9/9)8)=24 8.(2(8+9)-10)=24 9.(2+(10/10)8)=2410.(9+(10/2)+10)=24 11.(3(33)-3)=2412.(3(3+4)+3)=24 13.(33)+(35)=2414.(3(3+3)+6)=24 15.(7+(3/3)3)=2416.(3+(3-3)8)=24 17.(9-(3/3)3)=24 18.(3(10-3)+3)=24 19.(34)-4)3)=24 20.(3(4+5)-3)=24 21.(3-(3-4)6)=24 22.(4-(3-7)3)=24 23.(3(4-3)8)=2424.(3+(34)+9)=24 25.55-(3/3)=24 26.(3+(35)+6)=24 27.(35)-7)3)=24 28.(5+(9/3)3)=24 29.(3-(3/5)10=24 30.(6+(6/3)3)=24 31.3(3+7)-6=24 32.(8(3+6)/3)=24 33.(3+(39)-6)=2434.(10-(3+3)6)=24 35.(3+(3/7)7)=2436.(7+(33)+8)=24 37.(7/(3/9)+3)=2438.(8/(3-(8/3)=24 39.(3(3+8)-9)=24 40.(3+(3+8)+10)=24 41.(3+(3+9)+9)=2442. (3+(310)-9)=24 43.(4(3+4)-4)=2444.(3+(44)+5)=24 45.(3+(4/4)6)=2446.(3-(4-7)4)=24 47.(3+(4-4)8)=2448.(4-(4/3)9)=24 49.(4(10-3)-4)=2450.(3+(55)-4)=24 51. (3-(4-5)6)=24 52.(3(7-5)4)=24 53.(3(5-4)8)=24 54.(4-(5-9)3)=24 55.(3(4/5)10)=24 56.(3(4+6)-6)=24 57.(3(8-6)4)=24 58.(3-(6-9)4)=24 59.(3(10-4)+6)=24 60.(3+(47)-7)=24 61.(4(7-3)+8)=24 62.(3(4+7)-9)=24 63.(3+(4+7)+10)=24 64.(3+(4+8)+9)=24 65.(3(10-8)4)=24 66.(3(9-4)+9)=24 67. (4+(310)-10)=24 68.(3(5+5)-6)=24 69.(7+(5/5)3)=24 70.(3+(5-5)8)=24 71.(3+(9/5)5)=24 72.(3-(5-6)6)=24 73.(6(5+7)/3)=24 74.(3(6-5)8)=24 75.(3(5+6)-9)=24 76.(3+(5+6)+10)=24 77.(7(8-5)+3)=24 78.(3+(5+7)+9)=24 79.(5-(7-10)3)=24 80.(3+(5+8)+8)=24 81.(5+(39)-8)=24 82.(5/(3/9)+9)=24 83.(3(10-5)+9)=24 84.(10-(10/5)3)=24 85.(3+(6/6)6)=24 86.(3-(6-7)6)=24 87.(3+(6-6)8)=24 88.(3+(6+6)+9)=24 89.(10(6-3)-6)=24 90.(3+(7/7)6)=24 91.(3+(6+7)+8)=24 92.(6-(7-9)3)=24 93.(6/(3/7)+10)=24 94.(3+(8/8)6)=24 95.(3-(8-9)6)=24 96.(6-(8-10)3)=2497.(3+(9/9)6)=24 98.(3-(9-10)6)=24 99.(3-(6/10)10)=24 100.(3+(7+7)+7)=24 101.(3+(7-7)8)=24 102.(9-(7/7)3)=24 103.(7(10-7)+3)=24 104.(3(8-7)8)=24 105.(7-(8-9)3)=24 106.(7+(9/9)3)=24 107.(7+(39)-10)=24 108.(7-(3-10)+10)=24 109.(3+(8-8)8)=24 110.(3(9-8)8)=24 111.(810)-8)/3)=24 112.(3(89)/9)=24 113.(3(10-9)8)=24 114.3(810)/10=24115.(9-(3-9)+9)=24 116.(9+(9-10)3)=24 117.(9-(10/10)3)=24 118.(4+(44)+4)=24 119.(5+(4/4)4)=24 120.(4+(4-4)