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1、人教版四年级上册计算题专项练习题一、竖式1354513854437284062346589二、竖式33621645 329802837245765741082554312472101268920332312258240320824361374602330556624783535645x24047985三位数除以两位数、验算858399182788837432469662373179828366893461888294293284239556840356303196119三位数乘两位数三、简便计算1 .加法交换结合律:48 + 25 + 175128 + 89 72129 + 235 + 171
2、 + 165167 + 289 + 3375 + 34 + 125 + 366153 + 38 + 162158 + 395 + 1052 .乘法交换结合律(一):25 12532=578 +143 + 22 + 57357 + 288 + 143378 + 527 + 7358 + 39 + 42 + 61125 + 75 + 320163 + 32 + 137 + 268822 + 197 + 78(1525 ) 4=3525=38254=25174=(25125) (84)=3812583=52892=125582=98125=43254=125502=421258=60254=1255
3、8=25174=378125=3.乘法交换结合律(二):125322412512556125721251648125125 6425x364.乘法分配律(一):3472 + 34287487523537 + 65378582+82152597+2537625 + 25241617 + 16232736 + 27647336 + 36276423 + 36234336 + 57361967 +19335735 + 43351872+ 721824646 + 46543169 + 31313413- 34 35.乘法分配律(二):3899 + 3875 299 + 7510299 + 10239
4、+ 93999128 +12827 + 992734 + 199x343599 + 356.乘法分配律(三):125 (8 + 80 )(80 + 4) 258 (125 + 9)(20 + 4) 2532 ( 200 + 3 )(125 +17 ) 8(100 + 2)99102 (100 -1)25(40 + 4)(25 + 100) 499 (100 +1)(125+40) 8( 125 + 25 ) 899 (100 + 7)46102481011033110716881021029948101201 248.商不变的规律:3002540001253200504002520001259
5、000125四、混合运算672-672127987 (17.乘法分配律(四):994610242108151258839101254130243102132405600251502580025-298 ) 65210520(240-227)340-240205408512 -(178 + 283)(10512 - 635)25360-26020535 + 655-2045030 + 203624(27-14)4(165 - 655)5557-(186 +26) 231527-2008630840(240-212)864(27 -23)12240- 1405310448 + 27216240 + 180302146-(34 + 42070)(77-217)691840(120 + 195)15375 ( 25 - IO ) 15(659 - 34 ) ( 280 40 )720 (12+24) 20( 324-285 ) 12 26( 160-4812) 4336( 36-29) 635 ( 320 - 170 ) 5015090 ( 67 - 52 )18236 (12 + 6 )62 ( 300 - 1455 )(3654-984) 24659 - 34 ( 28040 )640 ( 96-80 ) 4