四年级上册简便计算练习姓名:___________成绩:__________怎样简便就怎样算。(每题2分,附加题另计。)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+2×7583×102-83×2198×199123×18-123×3+85×12350×(34×4)×325×(24+16)178×99+17879×42+79+79×577300÷25÷48100÷4÷7516800÷12030100÷210032000÷40049700÷7001248÷243150÷154800÷2521500÷125附加题:2356-(1356-721)1235-(1780-1665)75×27+19×2531×870+13×3104×(25×65+25×28)2