北师大版四年级上册数学计算题

1、百度文库-让每个人平等地提升自我11北师大版四年级上册数学计算题200 道、竖式：三位数乘两位数135X45108X2554X31247X210138X54126X89203X32312X25437X2882X403208X2436X137406X23460X23305X56624X7846X589353X5645X240479X85二、竖式: 三位数除以两位数、 验算336-21858-39918-27888-37645-32432-46966十23731-79980-28828-36689-34618-88百度文库-让每个人平等地提升自我22372十45294-29328-42395十56

2、765-74840-35630-31961-19三、简便计算1加法交换结合律:48+25+175125+75+320128+89+72 3153+38+16257+288+143378+527+73167+289+3358+39+42+61158+395+105822+197+7875+34+125+366578+143+22+57129+235+171+165163+32+137+2682乘法交换结合律（一）25X125X32(15X25)X438X25X435X2X5(60X25)X4(125X5)X80025X17X4(25X125) X(8X4)百度文库-让每个人平等地提升自我3338

3、X125X8X35X289X2125X5X8X29X8X12543X25X4125X50X242X125X860X25X4125X5X825X17X437X8X1253乘法交换结合律 （二）:125X3224X125125X56125X72125X1648X125125X6425X3625X3225X1625X2425X284乘法分配律（一）：34X72+34X287X48+7X5235X37+65X3785X82+82X1525X97+25X376X25+25X2416X17+16X2327X36+27X6473X36+36X2764X23+36X2343X36+57X3619X67+19X

4、33百度文库-让每个人平等地提升自我4457X35+43X3518X72+72X18246X46+46X5431X69+31X3134X13-34X35乘法分配律（二）：38X99+3875X299+75102X99+10239+9X3999X128+12827+99X2734+199X3435X99+356乘法分配律（三）：125X（8+80）(80+4)X258X(125+9)(20+4)X2532X(200+3)(125+17)X80(100+2)X99102X(1001)25X(40+4)(25+100)X499X(100+1)(125+40)X8(125+25)X899X(100+7

5、)8X(125+7)(30+25)X4百度文库-让每个人平等地提升自我557乘法分配律（四）46X10248X10199X46108X15125X880088X10248X101201X24302X438商不变的规律:300+254000+125240+5150+25800+252000+125102X42103X31107X16102X9939X10125X41102X13600+253200+50400+259000-125630X840+(240212)408+512(178+283)四、混合运算672-672-12X7987+(345298)X65210X520+(240227)340240+20X530X(320170)+90458(85+28)+23864+(2723)X12百度文库-让每个人平等地提升自我66(105X12-635)-25240140-5X3360260-20X5104X48+272十1635+65-520240+180-30X2450-30+20X3146(34+420-70)624-(2714)X4(7721-7)X691(16565-5)X5840-(120+195)-15557(186+26)-23375-(2510)X1515X27-200-8(324-285)X12-26(16048-12)