100道四年级简便运算练习题:25×42×468×125×84×39×254×25+16×254×25×16×2536×99(25+15)×4(25×15)×449×49+49×5149×99+49(68+32)×55×289×268+32×5(125×25)×4(125+17)×825×64×12585×82+82×1525×97+25×364×15-14×15125×8888×10287×99+8779×25+2576×101-76378+527+73167+289+3358+39+42+6136×45+36×56-3666×93+93×33+9399×3246×2536×45+36×56-3666×93+93×33+9397+89+1188×102125×8826+47+17485+47+15+53815+49+65+14+1172×12518+77+40+23+4871+73+69+74+68+70+69123×64+123×3639×4×5125×6×825×2432×305103×1578×24-24×6849×49+49×(40+6)×25(68+32)×568+32×549×99+4936×97-58×36+61×363000÷25÷4720÷15÷6150÷25÷25000÷8÷12599×23+2356×7+45×7-7125×13×872÷6×(51+19)+--178-122(79+21)÷20125×72×4728×79+272×+++(20+4)×2599×+-(546-239)(20+4)×259×37+9×635×289×235×37+65×37124×25-25×2485×82+82×1532×(200+3)38×29+38(125×25)×475×299+75
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