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1、简便计算分类练习题第一种(300+6)x1225x(4+8)125x(35+8)(12+24+80) 5032 25+125)25X (24+16 )4X(25 5+25X28)(13+24)x8第二种84x101504x2578x10225x204704X2588X125102 X76101 X87第三种99x6499x16638x99999x9998 X19958 X9899 x2798 x34第四种99X13+1325+199X2532X16+14X32178X99+17879X42+79+79X5784 X36+64 X 8475X99+2X7575X27+19X2 531 X870+
2、13X31078X4+78X3+78X3第五种88X12572X12575X2412X25125X32X825X32X12550 X(34 X4) X138X25X4(13 X25) X X)第六种3600十25詔81004753000-12581250-25-57300十25詔3900 - (39X25)420 - (5X7)800 - (20X8)第七种1200-624-762100-728-772273-73-27847-527-2735001 247 1021 2322356 ( 1356 721 )1235 ( 1780 1665)3065 73810652357 183 317 3
3、572365 1086 214第八种278+463+22+37732+580+268425+14+186158+262+1381034+780320+102375+219+381+2252214+638+286(181+2564 ) +2719378+44+114+242+222276+228+353+219(375+1034)+(966+125)(2130+783+270)+101799+999+9999+99999第九种214- (86+14)787- (87-29)365- (65+118 )455- (155+230 )第十种576-285+85825-657+57690-177+77
4、755-287+87100+1-100+148X99+11000+8-1000+85+95X28第十一种871-299157-99363-199968-5991883 398497299899+3443999+4982370+1995157+99第十二种178X101-17883X102-83X217X23-23X783X102 83X2178X101 17835X127-35X16-11X35123X18 123X3+85X123容易出错类型（共五种类型）600-60 怖20X420X4-736-35X2025X4-25X498-18X5+2556X856X8-280-80 -412X612
5、X6175-75 吃525X825X8-80-20X2+6036X936X936-36 七-625X8(25X8)-100+45-100+4515X97+3102+1-102+165+35X1325+75-25+7540+360 十 20-1013+24X8672-36+64324-68+32100-36+64简便计算综合练习题1姓名得分26X 39 + 61X 26356X9 56 X 999 X 55 + 5578X 101-7852 X 76+ 47X 76 + 76134X 56 134+ 45X 13448X 52X2 4X 4825X 23X (40+ 4)999X 999 + 1
6、999184+ 98695+ 202864199738 301380+ 476 + 120(569+ 468) + ( 432 + 131)704X 25256- 147- 53373 129+ 29189-( 89+ 74)28X 4X 25125X 32 X 259X 72X 125简便计算练习题2姓名得分720- 16-5630- 42456-(256- 36)102X 35 98 X 42158+262+138375+219+381+2255001 - 247- 1021-232(181+2564) +2719378+44+114+242+222276+228+353+219(375+
7、1034)+(966+125)(2130+783+270)+101799+999+9999+999997755 (2187+755)2214+638+2863065 738 1065899+3442357183 317 3572365 1086 214497 2992370+19957755 (2187+755)简便计算练习题33999+4981883398姓名得分12X 2575X 24138X25X425X 32 X 125(13 X 125) X (3 X 8)(12+24+80) X 5032X (25+125)88X 125102X 76178X 101 17884 X 36+64X
8、 8475X 99+2X 7598X 199123X 18- 123X 3+85X 12350X (34 x 4) x 325X (24+16)178X 99+17879 x 42+79+79X 57158+262+138简便计算练习题4姓名得分1248-243150- 154800- 2521500- 12516800-12030100-210032000-40049700-700(181+2564) +2719375+219+381+2255001 247 - 1021-232378+44+114+242+222276+228+353+219(375+1034)+(966+125)(213
9、0+783+270)+101799+999+9999+999997755- (2187+755)2214+638+28630657381065899+3443999+4982357 183 317 3572365 1086 214497 29912X 2575X 24简便计算练习题5姓名得分138X 25 X 4(13 X 125) X (3 X 8)(12+24+80) X 50704X 2525X 32X 12532 X (25+125)88X 125102X 7658X 98178X 101 17884 X 36+64X 8475X 99+2X 7583 X 102 83X 298X 1
10、99123X 18 123X 3+85X 12350X (34 X 4) X 325X (24+16)178X 99+17879X 42+79+79X 5721500-12516800- 120简便计算练习题6姓名得分(a+ b) + c = a +( b + c)2.73 + 0.89+ 1.274.37+ 0.28 + 1.63 + 5.72abc = a ( b+c)10 0.432 2.5689.35.26 2.7414.9 ( 5.2 + 4.9 )18.32 5.47 4.32(ax b ) x c = a x (b x c )25 x 6.8 x 0.040.25 x 32 x
11、0.1256.4 x 1.25 x 12.5c x (a+b) = c x a + ex b0.45 x 2010.58 x 10.150.2 x 994.7 x 9.9简便计算练习题73.28 x 5.7+ 6.72 x 5.7姓名得分2.1 x 99 + 2.123 x 0.1+ 2.3 x 9 .90.18+ 4.26 0.18 + 4.260.58 x 1.3 - 0.58 x 1.37.3 -4 + 2.7 x 0.253.75 x 0.5 2.75 - 25.26 x 0.125+ 2.74 - 8a b e = a (b x e )6.3 1.89.5(1.9 x 8 )12.8
12、(0.4 x 1.6 )930 - 0.6- 563.4 - 2.5- 0.4(7.7 + 1.54 ) - 0.7简便计算练习题8姓名得分6.9 + 4.8 + 3.115.89+ (6.75 5.89)7.85+ 2.34 0.85 + 4.6635.6 1.8 15.6 7.213.75 (3.75 + 6.48)47.8 7.45+2.5566.86 8.66 1.340.25 X 16.2 X 40.25 X 32 X 0.1252 .5 X (4 +0.4)(1.25 0.125) X 84.8 X 100.14.2 X 9956.5 X 9.9 + 56.57.09 X 10.8 0.8 X 7.0913.7 X 0.25 3.7 -410.7 X 16.1-1.1 X 10.
