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1、人教版四年级下册数学简便计算题人教版四年级下册数学简便计算题第一类：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400-256-44517-53-47284-159-41258-42-16545-167-145478-47-178344- (144+37)236- (177+36)第三类：乘45 X4 X523 X5X225X9X48X (125X13)(250X125) X (4X8)88 X12572 X125125 X64
2、X2542 X125X8X525X4X88X125第四类：乘(12+50)X40125 X (40-4)76 X10318X12525X4442X2599X999X7845 X37+37 X5528X21+28X79 17 X23-23 X738 X46+64 X3899 X32+3246+46 X59167X2+167X3+167X539 X8+6 X39-39 必第五类：乘28 X225-2 X225-6 X225(42+25) X125+ (18+15) X12523 X2 X4+25 X4 X2+27 X1 X8+25 X8 X199 X22+33 X34第六类：除360800抬气42
3、0-35第七类：加减92+99127-98250 y+2480 y+482400 -25197+102600-12 代240 抬+127800125354-108323+189-123248-86+48672-36+64(6467-832)+ (1832-1467)1530+ (592-530) -1923702X381234第八类：乘除960 X46 -M899000 +121 X11640+ (16E)1000+ (1254)第九类：加减乘除(98+147) +49(230-23) +23(250-25) +251736 攵8+1064 攵8125 X (860+240 -12)700+612 -12X4(37+15) X85+1360
