四年级上册数学计算题

1、四年级上册数学计算题、竖式：三位数乘两位数135X 45108X 2554X 31247X 210138X 54126 X 89203 X 32312X 25437X 2882X 403208X 2436X 137406 X 23460X 23305X 56624X 7846X 589353X 5645X 240479X 85、竖式：三位数除以两位数、验算336 - 21858 - 39918 - 27888 十 37645 - 32432 - 46966 十 23731 - 79980 - 28828- 36689 - 34618 - 88三、简便计算1.加法交换结合律：48 2517512

2、5753201288972 315338 16257 288 1433785277316728933583942 61158395105822197787534125366578 143 22 5712923517116516332137 268372 - 45294 - 29328 - 42395- 56765 - 74840 - 35630 - 31961 - 192.乘法交换结合律一25X 125X 32(15X25)X 438 X 25 X 435X 2X 538X 125X 8X 35X 289X 2125X 5X 8X 29X 8X 12543X 25X 4125X 50X 242

3、X 125X 860X 25X 4125X 5X 825X 17X 437X 8X 1253.乘法交换结合律二 ：125X 3224X 125125X 56125X 72125X 1648X 125(60X 25)X 4(125X5)X 825X 17X 425X 125)X( 8X 4)125 X 6425X 3625X 3225X 1625X 2425X 284.乘法分配律一34X 72 34X 287X 487X 5235X 37 65X 3785X 82+82 X 1525X 97+25 X 376 X 25+ 25X 2416X 17+ 16X 2327X 36+ 27X 6473X

4、 36+ 36X 2764 X 23+ 36X 2343X 36+ 57X 3619X 67+ 19X 3357X 35+ 43X 3518X72+ 72X18246X 46+ 46X 5431 X 69+ 31 X 3134X 13 34X 35.乘法分配律二 ：38X 99+ 3875 X 299+ 75102X 99+ 10239+ 9X 3999 X 128+ 12827 + 99 X 2734+ 199X 3435X 99+ 356.乘法分配律三 ：125X 8+ 80 80+ 4X 258X 125+ 9 20+ 4X 2532X 200+ 3125+17X8100+ 2X 991

5、02X 10017.乘法分配律四 ：46X 10248X10199X 46102 X 42103X 31107X 16108X 15125X 8888X 102102X 9939X 10125X 4148X 101201 X 24302X 43102X 138.商不变的规律：300 - 254000- 125240 - 5600 - 253200-50400 - 2525 X (40+ 4)(25+ 100)X 499X(100+1)125+ 40)X 8125 + 25)X 899 X(100+7)8X (125+ 7)(30+ 25) X 4150-25800 - 252000 - 125

6、9000 - 125四、混合运算672 672- 12X 7987+( 345 298 )X 65210X 520+ (240 227)340 240-20X 530X (320 170) + 90458 (8528)+ 23630 X 840 - (240 212)408+512 (178283)864+ (27 23)X 12(105 X 12 635) - 25240140+5X3360 260+ 20X 5104X 48 + 272- 163565+ 5 20240180+ 30X 2(77 21 - 7) X 691(165 65 - 5) X 5840 - (120 + 195)+ 15557 (186 + 26) + 23375+(2510)X 1515X 27-20