四年级数学简便运算600题06832.doc

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1、 (375+1034)+(966+125) 158+262+138 (2130+783+270)+1017 375+219+381+225 99+999+9999+99999 1021232 5001247 (2187+755) +2719 (181+2564)7755 2214+638+286 378+44+114+242+222 1065 276+228+353+219 3065738 398 1883899+344 25 183317357 122357 24 2365751086214 299 138254497 (13125)(38)2370+1995 3999+498 (12+24

2、+80)50 178 10117870425 84 2532125 8436+64 75 32(25+125) 99+275 2 1028383 88125 199 10276 98 123 123 5898181233+85 3 16800120(344)50 (2524+16) 301002100 17899+178 32000400 21500125 7942+79+7957 730025449700700 1248248100475 28) 65+25315015 4(25 12 (300+6)480025 13562356(721)(4+8) 25 )17801665(35+8) 1

3、25(1235 8 2 27+1975(13+24) 101 310 870+133184 99 25 999504 13+13 78102 99 25 25+199204 25 32 9964 3216+14 3 3+787816 994+78 8 99 63812532 125 12502552532 1200-624-76 88125 2100-728-772 72125 273-73-27 3600254 847-527-273 8100475 278+463+22+37 30001258 155+230)732+580+268 455-( 576-285+85 1034+780 82

4、5-657+57 320+102425+14+186 690-177+77 86+14214-() 755-287+87 87-29() 787- 871-299 )65+118365-( 35 16-11157-99 35127-35 容易出错类型(共五种类型)363-199 600- 6015 4 42020968-599 20 178101-178 736-35 4 42583102-832 25 5+25 7 23-231798-18 9 9368 3656856 6-6 280-804 36-36 8 6 1261282525 100+45-100+45 7525 175- 97+3

5、 25825158 100+1-100+1 80-202+60 -10 99+1 40+3602048 8 1000+8-1000+8 13+24 672-36+64 5+9528 324-68+32 102+1-102+1 100-36+64 65+3513 26 25+75-25+75 263961 )4(25569 23403569 1999 999999559955 98 7878 184101 202 76524769576 76 199 864134 4513456134 301 4848 4252738 28425476120 380 ) 1253225(569468)(4321

6、31 97212570425 5 53 72016256147 42 63037312929 )74(18989 )(45625636 378+44+114+242+222 10235 276+228+353+219 9842 (375+1034)+(966+125) 158+262+138 (2130+783+270)+1017 375+219+381+225 99+999+9999+99999 50012471021232 (2187+755) 181+2564()7755+2719 2370+1995 2214+638+286 3999+498 1065 3065738 398 899+

7、344 1883 25 122357183317357 24 236575214 1086 138254497299 178 101178(13125)(38) 84 (12+24+80)50 8436+64 75 2532125 99+275 199 98 32(25+125) 123 3+8512388125 18123 3 1027650(344) )12482425(24+16 31501517899+178 48002542+79+797957 7300254 21500125 375+219+381+225 8100475 232 158+262+138 50012471021 (

8、2187+755) 7755181+2564()+2719 2214+638+286 378+44+114+242+222 1065 738276+228+353+219 3065 899+344 (375+1034)+(966+125) 357 3172357(2130+783+270)+1017 183 214 99+999+9999+99999 23651086 299 138254497 2370+1995 (13125)(38) 3999+498 (12+24+80)50 70425398 1883 25321251225 32(25+125) 7524 2 10288125 838

9、3 199 76 98102 123 3+855898 18123123 3 4)(3450178101178 84)2536+6484 (24+16 99+27517899+17875 5.72 0.287942+79+7957 1.634.37 2.568 21500125 0.43210 2.74 5.267300254 9.3 )4.95.2 810047514.9( 4.32 18.32 168001205.47 0.892.73256.80.041.27 5.7 6.723.280.25320.125 5.7 2.1 6.41.2512.5 2.199 9.9 aa+bc()=cc

10、2.3b 230.1 0.45201 4.26 0.180.184.26 0.5810.1 1.3 0.58 0.581.3 50.299 0.25 7.342.7 4.79.9 0.4 2.52 63.43.750.52.75 0.7 )7.75.260.1252.748 1.54( 3.1 4.8abc=a(bc) 6.9 1.8 6.3 5.89) (6.7515.89 81.99.5() 4.66 0.857.852.34 12.8( )1.60.4 7.2 35.61.815.6 0.69305 8 (1.250.125)13.75(3.756.48) 100.1 7.45+2.55

11、 47.84.8 99 4.21.34 66.868.66 56.5 9.94 0.2516.256.5 7.09 0.250.87.090.125 3210.8 5.44 (4+0.4) 2.53.834.563.83 0.37 4.736.53.65 1999 999 999 11-5.4 5.4 98 184 0.253.74 13.7 202 695 10.7+10.716.1-1.15 10.7 199 13445134 86413456 301 522448 73848 )440(2325 (375+1034)+(966+125) 158+262+138 (2130+783+270

12、)+1017 375+219+381+225 99+999+9999+99999 1021232 5001247 (2187+755) +2719 (181+2564)7755 2214+638+286 378+44+114+242+222 1065 276+228+353+219 3065738 398 1883899+344 25 183317357 122357 24 2365751086214 299 138254497 (13125)(38)2370+1995 3999+498 (12+24+80)50 178 10117870425 84 2532125 8436+64 75 32

13、(25+125) 99+275 2 1028383 88125 199 10276 98 123 123 5898181233+85 3 16800120(344)50 (2524+16) 301002100 17899+178 32000400 21500125 7942+79+7957 730025449700700 1248248100475 28) 65+25315015 4(25 12 (300+6)480025 13562356(721)(4+8) 25 )17801665(35+8) 125(1235 8 2 27+1975(13+24) 101 310 870+133184 9

14、9 25 999504 13+13 78102 99 25 25+199204 25 32 9964 3216+14 3 3+787816 994+78 8 99 63812532 125 12502552532 1200-624-76 88125 2100-728-772 72125 273-73-27 3600254 847-527-273 8100475 278+463+22+37 30001258 155+230)732+580+268 455-( 576-285+85 1034+780 825-657+57 320+102425+14+186 690-177+77 86+14214-

15、() 755-287+87 87-29() 787- 871-299 )65+118365-( 35 16-11157-99 35127-35 容易出错类型(共五种类型)363-199 600- 6015 4 42020968-599 20 178101-178 736-35 4 42583102-832 25 5+25 7 23-231798-18 9 9368 3656856 6-6 280-804 36-36 8 6 1261282525 100+45-100+45 7525 175- 97+3 25825158 100+1-100+1 80-202+60 -10 99+1 40+360

16、2048 8 1000+8-1000+8 13+24 672-36+64 5+9528 324-68+32 102+1-102+1 100-36+64 65+3513 26 25+75-25+75 263961 )4(25569 23403569 1999 999999559955 98 7878 184101 202 76524769576 76 199 864134 4513456134 301 4848 4252738 28425476120 380 ) 1253225(569468)(432131 97212570425 5 53 72016256147 42 63037312929

17、)74(18989 )(45625636 378+44+114+242+222 10235 276+228+353+219 9842 (375+1034)+(966+125) 158+262+138 (2130+783+270)+1017 375+219+381+225 99+999+9999+99999 50012471021232 (2187+755) 181+2564()7755+2719 2370+1995 2214+638+286 3999+498 1065 3065738 398 899+344 1883 25 122357183317357 24 236575214 1086 1

18、38254497299 178 101178(13125)(38) 84 (12+24+80)50 8436+64 75 2532125 99+275 199 98 32(25+125) 123 3+8512388125 18123 3 1027650(344) )12482425(24+16 31501517899+178 48002542+79+797957 7300254 21500125 375+219+381+225 8100475 232 158+262+138 50012471021 (2187+755) 7755181+2564()+2719 2214+638+286 378+

19、44+114+242+222 1065 738276+228+353+219 3065 899+344 (375+1034)+(966+125) 357 3172357(2130+783+270)+1017 183 214 99+999+9999+99999 23651086 299 138254497 2370+1995 (13125)(38) 3999+498 (12+24+80)50 70425398 1883 25321251225 32(25+125) 7524 2 10288125 8383 199 76 98102 123 3+855898 18123123 3 4)(34501

20、78101178 84)2536+6484 (24+16 99+27517899+17875 5.72 0.287942+79+7957 1.634.37 2.568 21500125 0.43210 2.74 5.267300254 9.3 )4.95.2 810047514.9( 4.32 18.32 168001205.47 0.892.73256.80.041.27 5.7 6.723.280.25320.125 5.7 2.1 6.41.2512.5 2.199 9.9 aa+bc()=cc2.3b 230.1 0.45201 4.26 0.180.184.26 0.5810.1 1

21、.3 0.58 0.581.3 50.299 0.25 7.342.7 4.79.9 0.4 2.52 63.43.750.52.75 0.7 )7.75.260.1252.748 1.54( 3.1 4.8abc=a(bc) 6.9 1.8 6.3 5.89) (6.7515.89 81.99.5() 4.66 0.857.852.34 12.8( )1.60.4 7.2 35.61.815.6 0.69305 8 (1.250.125)13.75(3.756.48) 100.1 7.45+2.55 47.84.8 99 4.21.34 66.868.66 56.5 9.94 0.2516.256.5 7.09 0.250.87.090.125 3210.8 5.44 (4+0.4) 2.53.834.563.83 )4402536.50.37 23(3.654.7 1999 9999995.411-5.4 98 13.70.254 1843.7 202 10.716.1-1.110.7+10.75 695 199 134134 8641345645 301 485248 24738

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