四年級(jí)數(shù)學(xué)下冊(cè)計(jì)算題專項(xiàng)練習(xí)

1、73-6X12+3481(21-12)X13四（下）計(jì)算專練四則運(yùn)算（-）班級(jí)姓名17+83-2541X3-76-21、口算:11X70=0X536=34X5=84X2=35X30=180X4=19X6=24-12=99寧11=36-18=96-6=60-12=91-13=85-17=51-17=2、用遞等式計(jì)算:8X(54-49)-33284-27四（下）計(jì)算專練四則運(yùn)算（二）班級(jí)姓名1、口算:15X80=80X60=101X40=48X50=17X20=130X7=75X2=25X4=52-13=74-37=54-27=100寧4=86-43=60-2-5=45X2-9=12-3X4=11

2、1X40208X20197X5093X212、用遞等式計(jì)算：145-5X627+(18-12)X752-18X2+31125-15-5(75+25)X(43-36)120四（下）計(jì)算專練四則運(yùn)算（三）班級(jí)姓名1、口算:25X40=104X4=200X8=12X50=300X20=21X7=15X6=13X4=48-12=90-30=54-27=320寧4=420-21=48-2-3=30X2-1=12X3-6=482X20751-399X33604寧602、用遞等式計(jì)算：6X（4X25）43X4-65X2960-5+56X2069-3X(85-65)(76+54)十5168-4+17X6四（下

3、）計(jì)算專練四則運(yùn)算（四）班級(jí)姓名1、口算：15X80=80X60=101X40=48X50=17X20=130X7=75X2=25X4=52-13=74-37=54-27=100寧4=86-43=60-2-5=45X2-9=12-3X4=111X40208X20197X5093X212、用遞等式計(jì)算：13X24-12(119-8)-3(32-14)-(36-6)43X4-65X20X54+84十320+30X0-6四（下）計(jì)算專練四則運(yùn)算（五）班級(jí)姓名1、遞等式計(jì)算:29X(3+9)36X13-552-8125-54-956-(102-94)+1260X(35-7)+86(18-18)-(18

4、+18)179-4X9-62、把合適的數(shù)填在里-(54-6)=863+24-8-2X3=75-3-15=450+X8=250420-7四（下）計(jì)算專練四則運(yùn)算（6）班級(jí)姓名1、遞等式計(jì)算:(75+25)X(43-36)12X(78-69)43X4-64-878-3+(120-95)69-3X(85-65)35+24X2-849-7X(81-72)(78-29)-7X122、在算式中合適的地方添上小括號(hào)，使算式成立。63+24-8-2X3=6663+24-8-2X3=751、遞等式計(jì)算:5X80-30寧6200-26+480十60246-(26+15)X2(35+46)-(356-347)四（下

5、）計(jì)算專練四則運(yùn)算（七）班級(jí)姓名214-2X3+4237+9X(36-12)(466-25X4)十6(50-25X2)X162、計(jì)算109-2X(12-4-0X8)+12X(0+3)四（下）計(jì)算專練四則運(yùn)算（八）班級(jí)姓名1、遞等式計(jì)算:(585-235)-14X618X(79-79)-27510-(48+48十6)(395+26X5)十233200-(1208-72X14)41X(32-14)-663+(24十8)-2X335+24X(24-8)2、在下面各算式中添上運(yùn)算符號(hào)和括號(hào)，使等號(hào)兩邊相等。99999=1099999=03、計(jì)算:25X32X125四（下）計(jì)算專練（一）加法運(yùn)算定律班級(jí)

6、姓名計(jì)算下面各題，怎樣簡(jiǎn)便就怎樣計(jì)算。362+233+138526+327+274182+765+10824+128+476+572368+2649+135189+101+111999+99+9728+598挑戰(zhàn)題：1、用簡(jiǎn)便方法計(jì)算：256+249+251+246+2532、計(jì)算1+2-3-4+5+6-7-8+9+10-+1990四（下）計(jì)算專練（二）乘法運(yùn)算定律班級(jí)姓名1、口算:25X2=125X2=4X25=254X125=75X4=25X5=125X8=X8=2、運(yùn)用乘法運(yùn)算定律進(jìn)行簡(jiǎn)便計(jì)算:25X18X435X103125X4X8X254X7X5X88X(125X9)(25+12)X

7、467X99+6737X28+63X28四（下）計(jì)算專練簡(jiǎn)便計(jì)算（一）班級(jí)1、怎樣簡(jiǎn)便就怎樣計(jì)算：848-172-228姓名457-188-15745+65-45+65812-47-153-1126X7X5x8(13+50)X20201X12226X99+2262、簡(jiǎn)便計(jì)算：5498-1928-387-1072-1613四（下）計(jì)算專練簡(jiǎn)便計(jì)算（二）班級(jí)姓名1、怎樣簡(jiǎn)便就怎樣計(jì)算:四（下）計(jì)算專練簡(jiǎn)便計(jì)算（二）班級(jí)姓名1、怎樣簡(jiǎn)便就怎樣計(jì)算:698-432+502-368462+74+138+12625X16125X7248X35+52X3519X37+81X37+4325X64X125125

8、X482、請(qǐng)用兩種簡(jiǎn)便算法計(jì)算125X64四（下）計(jì)算專練簡(jiǎn)便計(jì)算（五）班級(jí)姓名1、怎樣簡(jiǎn)便就怎樣計(jì)算：四（下）計(jì)算專練簡(jiǎn)便計(jì)算（五）班級(jí)姓名1、怎樣簡(jiǎn)便就怎樣計(jì)算：618-（352-272）576-(176+280)78X99+7875+43-75+43125X25X8X499X2824X9-24X71502、用簡(jiǎn)便算法計(jì)算37X15+37X10X6+37X25398-305694-36+4245X40585X32-85X2825X34X4060X(13+45)750-5-212802、計(jì)算28X11111+99999X825X24125X24125X32X2542X35+58X35+675

9、4X47-54X37-38125X(8+80)3200-4一253502、計(jì)算19999+9999X9999四（下）計(jì)算專練簡(jiǎn)便計(jì)算（六）班級(jí)姓名1、怎樣簡(jiǎn)便就怎樣計(jì)算:四（下）計(jì)算專練簡(jiǎn)便計(jì)算（六）班級(jí)姓名1、怎樣簡(jiǎn)便就怎樣計(jì)算:25X(4X8)(25+18)X439+52+161+4289X1012000一125-868X12-68X29+99+999+9999(18+18+18+18)X252、計(jì)算111X2+222X3+333X4挑戰(zhàn)聰明：怎樣簡(jiǎn)便就怎樣計(jì)算O11111X44+22222X2812+34+56+99挑戰(zhàn)聰明：怎樣簡(jiǎn)便就怎樣計(jì)算O11111X44+22222X2812+3

10、4+56+99小學(xué)數(shù)學(xué)計(jì)算分層專項(xiàng)練習(xí)四年級(jí)（下）怎樣簡(jiǎn)便怎樣算（1）姓名班級(jí)座號(hào)等第計(jì)算過(guò)關(guān)：怎樣簡(jiǎn)便就怎樣算。48X37+63X4899X21+21573(173+85)125X23X8288-48+12X483800568-8X10挑戰(zhàn)聰明：怎樣簡(jiǎn)便就怎樣計(jì)算挑戰(zhàn)聰明：怎樣簡(jiǎn)便就怎樣計(jì)算挑戰(zhàn)聰明：怎樣簡(jiǎn)便就怎樣計(jì)算0125X32X2555X83+44X83+8332X25102X17小學(xué)數(shù)學(xué)計(jì)算分層專項(xiàng)練習(xí)四年級(jí)（下）怎樣簡(jiǎn)便怎樣算（2）姓名班級(jí)座號(hào)等第計(jì)算過(guò)關(guān)：怎樣簡(jiǎn)便就怎樣算。57317412653+99X53400+612-12X4480(32+32-4)小學(xué)數(shù)學(xué)計(jì)算分層專項(xiàng)練習(xí)四

11、年級(jí)（下）怎樣簡(jiǎn)便怎樣算（3）姓名班級(jí)座號(hào)等第計(jì)算過(guò)關(guān)：怎樣簡(jiǎn)便就怎樣算。79X25-39X25101X27-27716(216+45)125X24(650180)X5+560184345-9X241999+999X999111X2+222X3+333X4624X7846X589353X5645X240479X85624X7846X589353X5645X240479X85一、豎式:二位數(shù)乘兩位數(shù)（延伸閱讀：小學(xué)四年級(jí)數(shù)學(xué)上冊(cè)典型應(yīng)用題練習(xí)）135X45108X2554X31247X210138X54126X89203X32312X25437X2882X403208X2436X137406X2

12、3460X23305X5638X62+38X38乘法運(yùn)算定律綜合練習(xí)姓名班級(jí)_75X1470X14101X3812X9855X99+5555X9912X29+1258X199+5842X79+4252X8969X1016955X2155125X(80+8)125X(80X8)125X32X2599X99+9938X7+31X1425X46+50X2779X25+22X25259999X2222+3333X3334、豎式：三位數(shù)除以兩位數(shù)、驗(yàn)算336十21858-39918-27888-37645-32432-46966-23731-79980-28828-36689-34618-88372-4

13、5294-29328-42395-56765-74840-35630-31961-19三、簡(jiǎn)便計(jì)算（延伸閱讀：四年級(jí)數(shù)學(xué)上冊(cè)乘法簡(jiǎn)便運(yùn)算練習(xí)題及答案）加法交換結(jié)合律：482517557814322571288972357288143129235171165378527731672893358394261753412536612575320153381621633213726815839510582219778乘法交換結(jié)合律（一）25X125X32=15X25)X4=38X25X4=35X2X5=60X25)X4=125X5)X8=25X17X4=25X125)X(8X4)38X125X8X3=

14、5X289X2=125X5X8X2=9X8X125=43X25X4=125X50X2=42X125X8=60X25X4=125X5X8=25X17X4=37X8X125=乘法交換結(jié)合律(二)：125X3224X125125X5648X125125X64125X72125X1625X3625X3225X1625X2425X28乘法分配律（一）34X7234X287X487X5235X3765X3785X82+82X1525X97+25X376X2525X24四、混合運(yùn)算（延伸閱讀：小學(xué)四年級(jí)數(shù)學(xué)上冊(cè)復(fù)習(xí)試題）四、混合運(yùn)算（延伸閱讀：小學(xué)四年級(jí)數(shù)學(xué)上冊(cè)復(fù)習(xí)試題）16X17+16X2327X36+2

15、7X6473X36+36X2764X23+36X2343X36+57X3619X67+19X3357X35+43X3518X72+72X18246X46+46X5431X69+31X3134X1334X35.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）X8（100+2）X99102X（1001）25X（40+4）（25+100）X499X（100+1）（1

16、25+40）X8（125+25）X899X（100+7）8X（125+7）（30+25）X47.乘法分配律（四）：46X10248X10199X46102X42103X31107X16108X15125X8888X102102X9939X10125X4148X101201X24302X43102X138.商不變的規(guī)律：300-254000-125240+5600+253200+50400-25150-25800-252000+1259000+125672-672-12X7987+(345298)X65210X520-(240227)340240+20X530X(320170)-90458(85+28)+23630X840-(240212)408+512(178+283)864十(2723)X12(105X12635)+25240140-5X3360260+20X5104X48+272-1635+65+520240