四年级数学简便计算练习题姓名_______158+262+138375+219+381+2255001-247-1021-232(181+2564)+2719378+44+114+242+222276+228+353+219(375+1034)+(966+125)(2130+783+270)+101799+999+9999+999997755-(2187+755)2214+638+2863065-738-1065899+3442357-183-317-3572365-1086-214497-2992370+19953999+4981883-39812×2575×24138×25×4(13×125)×(3×8)(12+24+80)×50704×2525×32×12532×(25+125)88×125102×7658×98178×101-17884×36+64×8475×99+2×75简便计算练习题2姓名_______83×102-83×250×(34×4)×379×42+79+79×5716800÷12049700÷7002356-(1356-721)98×199123×18-123×3+85×12325×(24+16)178×99+1787300÷25÷48100÷4÷7530100÷210021500÷1254800÷251235-(1780-1665)75×27+19×2531×870+13×3104×(25×65+25×28)(300+6)×12125×(35+8)84×10199×6499×13+1388×125125×3×283600÷25÷41200-624-76504×2578×10299×16999×9932×16+143×2784×+78×3+783×325×321×2572×1251简便计算练习题3姓名__________8100÷4÷753000÷12