苏教版四年级下册数学简便计算题(李保中)

1、25X 32X 125178X 101-17884X 36+64X 8425X24+1683X275X 99+7583X 10275X 27+19X 2531X 870+13X 310123X 43-43X 2350X (34 X 4) X335 X 37+65X 3738 X29+38123X 18 123X 3+85X 12345X 71 + 29X 45 140-70X 544X (25 X 65+25X 28)124+78+22 345+999999+8888+7777+6666100-35-25245 45+3925X 27X415X 7+85X7 125X 6440 4X 2575

2、X 4X 2516X 76 76X64079999X 53+53103X 3528X 25473+59+27+198X 9941X 25-259855X 9912X 29+1258X199+5855X 99+5542X 79+4269 X 101 6955 X 21 55125 X 80+8125X 80X 899X 99+99125X 32X 2538X 7+31X 1425 X 46+50X 2779 X 25+22X 25 2576 X 36+36X 249999X 2222+3333X333497 x 18 87 x 18125 x 55X3280+8x 12556 x 9855 x

3、72+ 55 x 27+ 5534 x 29+29x 6619 x 99+19235x 562 135x 562199x 6356 x 27+44x 27201 x 8626x 34+78x 34 34x455 x 102299x 131999x 34114x 14 14x 1486 X 14+14X 1498 X 73103X 3940+ 8X 25199X 6536X 34+ 36 X 662003X 34125X 8+8036X 100+5086X 1000- 224X 2+ 1025X 2315X 40- 863 X 43+ 57X 6375X 23+93X 6+ 93X4325X 1

4、13- 325X 1378X 10256 x 10152X 10228X 18-8X 2869 x 102125X 8125x 4131x 9925x 3942 x 9838 x 62+38X 3856+ 56 x 9999x 99+ 99125x 81- 12529x 9983+ 83 x 9975x 14 70x 14101x 3875X 101- 7591 x 31-91 40+ 8x 25125 X 8+8036 X 100+5036 x 34+ 36 x 6624X 2+ 1075X 23+ 25x 2393x 6 + 93x 486 x 1000- 263 x 43+ 57 x 6

5、3325 x 113-325 x 13125X 8125 x 4131 x 9942 x 9829 x 9925x 398356+ 56 x 99235x 562 135x 56215 x 40 - 856 x10128 x 18- 8x 28125 x 79+ 83x 9999 x 99+ 99201 X 86299 X 1385 X 98125 X 7926 X 34+78X 34 34 X 41999 X 3416 X 24+79X 24+24X 544X 2586X 14+14X 14199 X 65114X 14 14X 14123 X 5757 X 2398 X 73103X 392003 X 3440+8X 2575X 101-75125X 81- 12591 X 31 - 9175X 14 70X 1438X 62+38X 38101 X 3812X 9855 X 99+5555X 9912X 29+1258X 199+5869 X 101 6942X 79+4255X 21 55125X 80+8125X 80X 8125 X 32 X 2579 X 25+22X 252599X99+9925 X