1、四年级数学下册简便计算专项练习题大全77821828282125(810)8181991015858882812282799925(40+4)4101141011999116425861727286125(82)22226910172726649344914100125(12+4)513100151365996532125941626294125(82)3232491011717465154519999925(36+4)47210147273997364125121818112125(82)8888993018686529048906610125(8+4)3101001310239923401
2、25651595965125(84)3737797013636225878586499925(32+4)2041012048998980125531444453125(86)6868498015858902910296410125(24+4)2191001219769764825461565646125(84)70705930146468774137446100125(40+4)1211112143999431625501515150125(84)2222898012525279973996910125(32+4)16410011646596516125431797943125(810)262
3、629100147479590590959925(28+4)5841015845995916125471656547125(88)282899401666634896689579925(40+4)192100119264999646425501161650125(86)6262896015151498251825010125(40+4)2011001201689684825171272717125(810)9595295016767121888188210125(40+4)14411144289992880125911242491125(810)848439501838327298729099
4、925(12+4)597100159719999193225731282873125(810)161689201444475293524810125(32+4)326100132677977825711949471125(810)8282793017070948914878100125(24+4)37110013713293232125701474770125(82)171789901707049796971299925(20+4)2921129290999903225751373775125(88)797959801838370213021699925(36+4)150100115041994148125991626299125(84)212189501565613508750629925(16+4)51810015183093056125171878717125(82)222239701737381251925969925(8+4)434100143424992432125961666696125(84)8787499013838827018703999925(40+4)41011410369993656125