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1、四年级数学上册简便运算练习题1022 478 422987(287 135)478 256 144672 36 6436 64 36 64487 287 139 61500 257 34 1432000 368 1321814 378 42289 X 99+ 89155 264 36 4425X (20 + 4)88X 225+ 225X 12698 291 9568(68 178)561 19 58382 165 35 82155 256 45 98236+189+64第 1 页759-126-25925 X 79 X 4569-256-44216+89+1157X125X81050+ 15
2、+ 77200 + 24 + 30219 X9937 X9858 X 10176 X10278 46+78 54169X12323X16937 99+37129X101 129149 X 69149+149 X 3256 X 51+56 X 48+56125 X 25 X 3224X25125X48514+189 214369256+15656X25X4X 12524X73+26X2416X98+32125X38+125X3025X32 4004X2525X16 25X 1025X16X 125(125+16) X 879X99+ 79781X101 781 79X 16+ 79X78+ 79
3、X6 25X 101789X99800+125 1736+ 4032000+ 12565+ 93X 65+ 6 X 659999+ 999+ 99+ 9158+262+138375+219+381+2255001 247 1021-232(181+2564) +2719378+44+114+242+222第 13 页(375+1034)+(966+125)(2130+783+270)+101799+999+9999+99999276+228+353+2197755- (2187+755)2214+638+2863065- 738 1065899+3442357 183 317 357 2365
4、 1086 214497-2992370+1995 3999+4981883-39812X2575 24138X25X4 (13 X25)*3 )8)(12+24+80) 50704 2525 32 12532 (25+125)88 125102 7658 98178X101-178 84 X 36+64X 8475X 99+2X 7583X10283X2178 >99+17879X42+79+79 >5773002548100mH516800T2030100-210032000/0049700号001248 243150T54800 2521500 12598X 199123X1
5、8123X3+85X 12350X (34X 4)X325X (24+16)8100MH5第一类：加65+73+135357+288+143272+68+28129+235+171+16517+145+23+35999+99+9+36+7+8+102+103+1049998+3+99+998+3+9第二类：减400-256-44258-42-16344- (144+37)第三类：乘45X4X58X (125X 13)88X12542X125X8X5第四类：乘(12+50) X4018 125517-53-47284-159-41545-167-145478-47-178236- (177+36
6、)235 225 9 4(250X125) X (4X8)7212512564 25254 88 125125 X (40-4)76 X1032544422599X999X78第五类：乘45X37+37X5528X 21+28X7917 X 23-23 X738X46+64X3899 X 32+3246+46 X59167X2+167X3+167X539 X 8+6X39-39 X428 225-2 225-6 225(42+25) X 125+ (18+15) X 12523 2 4+25 4 2+27 1 8+25 8 199 22+33 34第六类：除360+4 + 9250+ 5 +
7、2600+ 12 + 5800+5 + 8480+ 5 + 48240+ 5+12420+352400+ 257800125第七类：加减92+99197+102354-108405-99127-98323+189-123248-86+48672-36+64(6467-832) + (1832-1467)1530+(592-530) -192(2+4+6+98+100 - (1+3+5+97+99)第八类：乘除960X46 + 4899000+121 X113702 X 38+1234640+ (16+ 4)1000 + (125+ 4)第九类：加减乘除(98+147) +49(230-23)
8、+23(250-25) +251736+ 28+1064+ 28125 X (860+240 12)700+612+ 12X4(37+15) X 85+1360容易出错类型（共五种类型）600-60 4520X4 20X4736-35X2025X4+25X412X6 12X636X9 36X998-18X5+2556X8 56X8280-80 3175-75 芝525X8 25X880-20X2+6036-36 + 6-625X8 + (25X8)100+45-100+45100+1-100+148X99+11000+8-1000+85+95X2815X97+340+36020-10100-36+64102+1-102+165+35X1325+75-25+7513+24X8672-36+64324-68+32