小学四年级数学上册计算题强化练习

1、小学四年级数学上册计算题练习汇总、竖式：三位数乘两位数135X45108255431247210138X54126X892033231225437X28824032082436137406X2346023305566247846X589353X5645X240479X85二、竖式：三位数除以两位数、验算336 +2185839918+ 2788837645+32432469662373179980+28828366893461888372 + 45294+ 29328+ 42395+ 56765+74840+ 35630+ 31961+ 19三、简便计算 （延伸阅读：四年级数学上册乘法简便运算

2、练习题及答案）1. 加法交换结合律：48 25 175578 143 22 57128 89 72357+288+ 143129+235+171 + 165378+527 + 73167 289 335839 42 617534 125 366125+75+32015338 16216332 137 268158 395 105822197 782.乘法交换结合律（一）25 X 125X 32=(15X 25) X4=38X25X 4=35 x2X5=(60X25) X4=(125X5) X8=25 x 17X4=(25X125) x (8X4) =38 X125X8X3=5X289X2=12

3、55 8 2=98 125=43 25 4=12550 2=42125 8=60X25X4=125 X5X8= 25 x 17X 4=37 x8X 125=34 X72 + 34X287X 48 + 7X5235X37+ 65X37125 X 322412512556125125 X 16481251256425 3225X1625243.乘法交换结合律（二）25362528724.乘法分配律（一）：85X82+82X 1525X 97+25X 376X 25+25X2416X17+16X2327X 36 + 27X6473x 36+36X2764X23+36X2343 X 36 + 57X3

4、619x 67+19X3357X35 + 43X3518 X 72 + 72X 18246X 46 + 46X5431X69+31X3134X 13-34 X35.乘法分配律（二）：38 X99+3875X 299 +75102X 99+10239 + 9X3999128 12827+ 99X2734+199X3435X 99+ 356.乘法分配律（三）：125 X (8+80 )(80+ 4) X 258 X ( 125+9)(125+17) X8(20+4) X 2532 X (200 + 3)(100 + 2) X 99102 X ( 1001)25 X (40 + 4)(125+40)

5、 X 8(25+ 100) X4 99 X ( 100+1)(125+ 25) X899X (100+ 7)8X(125+7)7.乘法分配律（四）：46 X10248 X 10199X46102 X42103X31107 X 16108151258888 1021029939101254148X101201X24302X43102 X138.商/、受的规律：240+ 5600300 + 254000+ 1253200+ 50400+ 25150+ 25800+ 25+ 252000+1259000125四、混合运算 （延伸阅读：小学四年级数学上册复习试题）672 672+ 12X7987+ (

6、345-298) X 65210 X 520 + (240 227)340 240+20X530 X (320 170)+90458(85 + 28) + 23630 X 840 +(240212)408+ 512 (178 + 283)864 + (27 -23) X 12(105X 12 635)+25240 140+ 5X3360 260+20X5104X48 + 272+1635+ 65+ 5-20240+180+30X2450+ 30+ 20X3146-(34+420- 70)624+ (27 -14) X4(77 21+7) X691(16565 + 5) X5840+ (120 + 195) + 15557 (186 + 26) +23(375 + (2510) X 1515X 27-200 + 8324-285) X 12 +26(16048+12) X4336- (3629) X 662 X (300 145+5)