青岛版小学四年级下册数学简便算法练习题姓名得分158+262+138=375+219+381+225=5001-247-1021-232=(181+2564)+2719=378+44+114+242+222=276+228+353+219=(375+1034)+(966+125)=(2130+783+270)+1017=99+999+9999+99999=7755-(2187+755)=2214+638+286=3065-738-1065=899+344=2357-183-317-357=2365-1086-214=497-299=2370+1995=3999+498=1883-398=12×25=75×24=138×25×4=(13×125)×(3×8)=(12+24+80)×50=简便计算练习题2704×2525×32×12532×(25+125)88×125102×7658×98178×101-17884×36+64×8475×99+2×7583×102-83×298×199123×18-123×3+85×12350×(34×4)×325×(24+16)178×99+17879×42+79+79×577300÷25÷48100÷4÷7516800÷12030100÷210032000÷40021500÷12549700÷7001248÷243150÷154800÷251简便计算练习题32356-(1356-721)1235-(1780-1665)75×27+19×2531×870+13×3104×(25×65+25×28)第一种(300+6)x1225x(4+8)125x(35+8)(13+24)x8第二种84x101504x2578x10225x204第三种99x6499x16638x99999x99第四种99X13+1325+199X2532X16+14X3278