把下列各数分别凑24
- 1、下载文档前请自行甄别文档内容的完整性,平台不提供额外的编辑、内容补充、找答案等附加服务。
- 2、"仅部分预览"的文档,不可在线预览部分如存在完整性等问题,可反馈申请退款(可完整预览的文档不适用该条件!)。
- 3、如文档侵犯您的权益,请联系客服反馈,我们会尽快为您处理(人工客服工作时间:9:00-18:30)。
一、把下列各数分别凑24
⑴5,7,2,3 ⑵1,3,4,7
第⑴I题方法3×7+(5-2),3×5+(7+2)
第⑵题方法3×7+(4-1),4×7-(3+1)
二、怎样凑24
2,2,3,9 2,4,7,9 2,3,6,9
3,5,5,8 5,7,8,8 8,6,1,1
2,2,8,9 2,4,7,7 5,8,8,9
2,5,6,9 6,6,6,9 2,5,7,8
6,6,8,9 2,5,7,9 3,3,5,7
6,8,8,8 4,5,8,9 6,8,9,9
5,6,7,9 1,5,5,5 1,6,6,8
4,4,7,72,7,9,10
三、附答案
2 7 9 10: ((7+(9-2))+10)=24 2 7 10 10: ((2×(7+10))-10)=24 2 8 8 8: ((2×(8+8))-8)=24 2 8 8 9: ((2+(9-8))×8)=24
2 8 8 10: ((8+(8-2))+10)=24 2 8 9 9: ((2+(9/9))×8)=24
2 8 9 10: ((2×(8+9))-10)=24 2 8 10 10: ((2+(10/10))×8)=24
2 9 10 10: ((9+(10/2))+10)=24
3 3 3 3: ((3×(3×3))-3)=24
3 3 3 4: ((3×(3+4))+3)=2
4 3 3 3 5: ((3×3)+(3×5))=24
3 3 3 6: ((3×(3+3))+6)=2
4 3 3 3 7: ((7+(3/3))×3)=24
3 3 3 8: ((3+(3-3))×8)=2
4 3 3 3 9: ((9-(3/3))×3)=24
3 3 3 10: ((3×(10-3))+3)=2
4 3 3 4 4: (((3×4)-4)×3)=24
3 3
4 5: ((3×(4+5))-3)=24 3 3 4 6: ((3+(4-3))×6)=24
3 3
4 7: ((4+(7-3))×3)=24 3 3 4 8: ((3×(4-3))×8)=24
3 3
4 9: ((3+(3×4))+9)=24 3 3
5 5: ((5×5)-(3/3))=24
3 3 5 6: ((3+(3×5))+6)=2
4 3 3
5 7: (((3×5)-7)×3)=24
3 3 5 9: ((5+(9/3))×3)=2
4 3 3
5 10: ((3-(3/5))×10)=24 3 3
6 6: ((6+(6/3))×3)=24 3 3 6 7: ((3×(3+7))-6)=24
3 3 6 8: ((8×(3+6))/3)=2
4 3 3 6 9: ((3+(3×9))-6)=24
3 3 6 10: ((10-(3+3))×6)=2
4 3 3 7 8: ((7+(3×3))+8)=24 3 3 8 9: ((3×(3+8))-9)=24 3 3 8 10: ((3+(3+8))+10)=24 3 3 9 9: ((3+(3+9))+9)=24 3 3 9 10: ((3+(3×10))-9)=24
3 4 4 4: ((4×(3+4))-4)=24 3 4 4 5: ((3+(4×4))+5)=24
3 4 4 6: ((3+(4/4))×6)=24 3 4 4 7: ((3+(7-4))×4)=24
3 4 4 8: ((3+(4-4))×8)=24 3 4 4 10: ((4×(10-3))-4)=24 3 4 5 5: ((3+(5×5))-4)=24 3 4 5 6: ((3+(5-4))×6)=24
3 4 5 7: ((3×(7-5))×4)=24 3 4 5 8: ((3×(5-4))×8)=24
3 4 5 9: ((4+(9-5)×3)=24 3 4 6 6: ((3×(4+6))-6)=24
3 4 6 8: ((3×(8-6))×4)=24 3 4 6 9: ((3+(9-6))×4)=24 3 4 6 10: ((3×(10-4))+6)=24 3 4 7 7: ((3+(4×7))-7)=24
3 4 7 8: ((4×(7-3))+8)=24 3 4 7 9: ((3×(4+7))-9)=24
3 4 7 10: ((3+(4+7))+10)=24 3 4 8 9: ((3+(4+8))+9)=24
3 4 8 10: ((3×(10-8))×4)=24 3 4 9 9: ((3×(9-4))+9)=24
3 4 10 10: ((4+(3×10))-10)=24 3 5 5 6: ((3×(5+5))-6)=24
3 5 5 7: ((7+(5/5))×3)=2
4 3
5 5 8: ((3+(5-5))×8)=24
3 5 6 6: ((3+(6-5))×6)=2
4 3
5
6 7: ((6×(5+7))/3)=24
3 5 6 8: ((3×(6-5))×8)=2
4 3
5
6 9: ((3×(5+6))-9)=24
3 5 6 10: ((3+(5+6))+10)=2
4 3
5 7 8: ((7×(8-5))+3)=24
3 5 7 10: ((5+(10-7))×3)=2
4 3
5 8 8: ((3+(5+8))+8)=24
3 5 9 10: ((3×(10-5))+9)=2
4 3
5 10 10: ((10-(10/5))×3)=24 3
6 6 6: ((3+(6/6))×6)=24 3 6 6 7: ((3+(7-6))×6)=24
3 6 6 8: ((3+(6-6))×8)=2
4 3 6 6 9: ((3+(6+6))+9)=24
3 6 6 10: ((10×(6-3))-6)=2
4 3 6 7 7: ((3+(7/7))×6)=24
3 6 7 8: ((3+(6+7))+8)=2
4 3 6 7 9: ((6+(9-7))×3)=24
3 6 8 8: ((3+(8/8))×6)=2
4 3 6 8 9: ((3+(9-8))×6)=24
3 6 8 10: ((6+(10-8))×3)=2
4 3 6 9 9: ((3+(9/9))×6)=24
3 6 9 10: ((3+(10-9))×6)=2
4 3 7 7 7: ((3+(7+7))+7)=24 3 7 7 8: ((3+(7-7))×8)=24 3 7 7 9: ((9-(7/7))×3)=24 3 7 7 10: ((7×(10-7))+3)=24
3 7 8 8: ((3×(8-7))×8)=24
3 7 8 9: ((7+(9-8))×3)=24
3 7 9 9: ((7+(9/9))×3)=24
3 7 9 10: ((7+(3×9))-10)=24