人教版四年级下册数学简便计算题500题.docx

1、人教版四年级下册数学简便计算题500题人教版四年级下册数学简便计算题班级： 姓名：65+73+135 357+288+143 272+68+28 999+99+9+3129+235+171 + 165 17+145+23+35 400-256-44 42X 256+7+8+102+103+104 9998+3+99+998+3+9 76X103 99X 9517-53-47284-159-41258-42-16125X(40-4)545-167-145478-47-178344-(144+3725X 44236-(177+3645X 4X 523 X 5X 2(12+50)X 4099X 78

2、127-9888X 12517X 23-23X 738X 46+64X 3899X 32+3292+99197+10242X 125X 8X 525X 4X 88X 12545X 37+37X 5528X 21+28X 7946+46X 59 167X 2+167X 3+167X 5 39X 8+6X 39-39X 4 323+189-123248-86+48672-36+64 （6467-832）+（1832-146）7354-108 405-9999X 22+33X 3428X 225-2X 225-6X 225 （42+25）X 125+（18+15）X 12523X2X4+25X4X2

3、+27X1X8+25X8X123 X 5X 2272+68+28360M+960X12+5 1000(125 4)960K46+ 48800050848005048240050 12 65+73+135357+288+143125X(860+24012)700+61012X4(37+15 X85+1360250-25)0 251530+(592-530)-192(2+4+6+98+100 - (1+3+5+97+99230-23)0 231736028+10604 282005X 20062006-200X6129+235+171+165 17+145+23+35999+99+9+3284-1

4、59-41 517-53-47400-256-44258-42-16545-167-145478-47-17845X 4X 5344-(144+3)7236-(177+3)625X9X48X(125X13)72X125(25(X125 X(4X8) 76X10325X 4442X 25125X 64X 2542X 125X 8X 525X 4X 88X 125 99X 918X 125 99X 7845X 37+37X 5528X 21+28X 792400-25 7000- 125323+18-9123248-86+4817X 23-23X 7 38X 46+64X 38 99X 32+32

5、3.123.12X 99600- 12-5 14H14 99800- 5-8 480- 5-48 240- 5- 12 420- 35672-36+64 （6467-832）+（1832-146）7 1530+（592-530）-19299+999+9999+99999123X18 123X 3+858100+45-100+4515x 97+3 100+1-100+1 48x 99+11000+8-1000+85+95X 28 25+75-25+75 40+36*20-1026X 39+61 x 26356x956x9 99x55+55 78x1017852X 76+47X 76+76134x

6、 56134+ 45x 134 48x 52x 24x 4825x23x（40+4）28x 4x 25 125x 32x 25 9x 72x 125999x999+1999184+98 695+202 864199 738301704X25 189- (89+74)380476120 (569468)(432131)2561475337112929 72 165 63 42456-(256- 36)102X 35 98 X 42158+262+138 375+219+381+225181+256)4+27192370+19955001- 247-1021- 232 378+44+114+242

7、+222497-299276+228+353+219 (375+1034)+(966+125) (2130+783+270)+1017(12+24+80) x 50 25X 32x 12532x (25+125)88x 12584x 36+64x 84 75x 99+2x 75 98x 199102x 76 178x 1011783999+498 123x 18123x 3+85x 123 50x (34x 4)x 37300- 25-4 375+219+381+225500 仁 241102232 (181+256)+2719378+44+114+242+222276+228+353+219

8、(375+1034)+(966+125) 58X98(2130+783+270)+1017 7755(2187+755) 2214+638+286 102X7630657381065 899+344 2357183317357 178X 10117823651086-214 497-299 2370+1995 3999+498 21500-125188339812X 2575X 2488X 12598X 199138X 25X 4 (13 X 125) X (3 X 8) (12+24+80) X 50 178X 99+178 704X 2525X 32X 125 32X (25+125) 7

9、9X 42+79+79X 57 50X (34X4) X 384X 36+6X 84 75X 99+2X 75 83X 102-83X 2 7300- 25-4123X18-123X 3+8X123 8100- 4-75 16800- 1204.37 0.28 1.63 5.72(ab) c = a (bc)2.73 0.89 1.27a- b- c = a -(bc)10 - 0.432 - 2.568 9.3 - 5.26- 2.74 14.9-(5.24.9)18.32 5.47 4.3225 x 6.8 x 0.040.25 x 32 x 0.1256.4 x 1.25 x 12.5(

10、a x b) xc = a x(b x c)c x(a+b)= cxa cxb0.45 x 2010.58 x 10.1 50.2 x 9910.7x16.1-1.1x10.7+10.7 x53.28 x 5.7 6.72 x 5.72.1 x 99 2.123 x 0.1 2.3 x 9.9(b x c)930 - 0.6 -563.4 - 2.5 - 0.4 (7.7 + 1.54) - 0.70.25x16.2x46.9+4.8+3.115.89+(6.755.89)7.85+2.340.85+4.664.8x100.135.61.815.67.213.75(3.75+6.48)47.87.45+2.55(1.250.125)x866.868.661.340.25x32 x0.125 2 .5 x(4 +0.4)4.7 x 9.956.5x 9.9+56.57.09x10.80.8x7.09 3.83x4.56+3.83x5.44