四年级下册第三单元简便计算练习题

1、四年级下册第三单元简便计算练习题姓名得分16连加和连减的简便计算158+262+138375+219+381+2255001 247 1021 232(181+2564 ) +2719378+44+114+242+222276+228+353+219(375+1034)+(966+125)(2130+783+270)+10177755 (2187+755)2214+638+2863065 7381065899+3442357 183 317 3572365 1086 214497 2992370+19953999+4982356 ( 1356 721 )连乘和连除的简便计算138X25X412

2、35 (1780 1665)打(13 X25) X3 X)25 X (24+16 )704X2525 X32 X12532 X(25+125)88X125102 X7658X9816800-12030100-210032000-40021500-125打49700-7001248 -243150-154800-25178 X101 178运用乘法分配律进行简便计算打84 X36+64 X8475 X99+2 X7583X102 83X298 X199123X18 123X3+85X12350 X(34 X) X178 X99+17879X42+79+79X577300十25詔8100-4757

3、5X27+19X2 531 X870+13X3104X25 X55+25X28)简便计算的十二种方式打第一种(300+6)x1225x(4+8)125x(35+8)(13+24)x8第二种84x101504x2578x10225x204第三种99x6499x16638x99999x99第四种99X13+1325+199X2532X16+14X3278X4+78X3+78X3第五种125X32X825X32X12588X12572X125第八种278+463+22+37732+580+2681034+780320+102425+14+186第六种3600岔詔8100-4753000-125-81

4、250-25-5第七种1200-624-762100-728-772273-73-27847-527-273第九种214-（86+14 ）787-（87-29 ）365-（65+118）455-（155+230 ）第十一种871-299157-99363-199968-599第十二种178X101-17883X102-83X217X23-23X735X127-35X16-11X35第十种576-285+85825-657+57690-177+77755-287+87简便计算容易出错类型（共五种类型）600-60 $520X420X4$736-35X2025X4 十25X498-18X5+255

5、6X856X8$280-80 $412X612X6175-75 吃525X825X8$80-20X2+6036X936X936-36 七-625X8(25X8 ) $100+45-100+4515X97+3100+1-100+148X99+11000+8-1000+85+95X28102+1-102+165+35X1325+75-25+7540+360 十 20-1013+24X8672-36+64324-68+32100-36+6426X 39 + 61X 26356X9 56 X 999 X 55 + 5578X 101 7852X 76 + 47X 76 + 76134X 56 134

6、+ 45 X 13448X 52X2 4X 4825X 23X (40+ 4)999X 999 + 1999184 + 98695+ 202864199738 301380+476 + 120(569+ 468) + ( 432+ 131)704X 25256- 147- 53373 129 + 29189- (89+ 74)28X 4X 25125X 32X 259X 72X 125102X 35 98 X 42720-16-5630-42456-(256- 36)158+262+138375+219+381+225(181+2564) +2719378+44+114+242+222 276

7、+228+353+219(375+1034)+(966+125)(2130+783+270)+101799+999+9999+99999 7755 (2187+755)2214+638+2863065 738 10652365 1086 2143999+498 1883899+3442357183317 357497- 2992370+1995138X25X425X 32 X 125(13X 125)X(3X 8)(12+24+80) X 5032X (25+125)88X 125102X 76178X 101- 17884X 36+64X 8475X 99+2X 75- 39812X 257

8、5X 2498X 199123X 18- 123X 3+85X 12350 x (34 x 4) x 325X (24+16)178x 99+17879x 42+79+79x 57158+262+13812x2575x24138x25x4(13x125)x(3x8)(12+24+80)x50 704x2525x32x12532x(25+125)88x 125102 x 7658x 98178x 101 - 17884X 36+64X 8475X 99+2X 7583X 102-83X 298X 199123X 18- 123X 3+85X 12350X （34X 4）X 325X（24+16）

9、178X 99+17879X 42+79+79X 5721500- 12516800- 1202.73 0.89 1.27 4.37 0.28 1.63 5.7214.9 -（ 5.2 4.9 ）- 5.47- 4.3210- 0.432 - 2.568 9.3- 5.26 - 2.7418.32(15 + 20) X 3240- (20 5) 192+ 28 - 17125 24 X 5145- 5X 624 X 36 - 24400+ 612- 1272 4X 6 - 3+ 153- 17X 697 12X 6+ 43128+ 320-4 60118729 - 9 26 X 3(280+ 80-4) X 12(72 4) X (6 - 3)(124 85) X 12-2628+ (32 - 4 3)18X (400120X2)75 + 360- (20 5)80X 50 35宁 5105+ 360-20 - 3980 43675125X 5 - 15150+ 42 X