1简便运算练习12.06+5.07+2.9430.34+9.76-10.34×3÷×325×7×434÷4÷1.71.25÷×0.817+-71--,41.06-19.72-20.287-3+8+2-11+7+3700÷14÷518.6÷2.5÷0.413×÷29÷×25.68+(5.39+4.32)19.68-(2.97+9.68)7+(-)5-(-)1.25×(8÷0.5)0.25×(4×1.2)1.25×(213×0.8)0.74÷(71×)24×(---)(12+)×7(7-)×9.3÷(4÷)0.92×1.41+0.92×8.59×-×1.3×11.6-1.6×1.3×11.6+18.4×39999+999+99+94821-9983.2×12.5×251.25×887.6÷0.253.5÷0.1253.8×9.9+0.38×103-×2-(13×8)×1253700-2185-81520×(17×5)4×7×25×314×20×525×(40×32)(5×7)×804×9×2548×14×125×616×25×5×4259+468+741+53223×4×540×7×3×525×6×4×525×(6×4)(8×6)×125102×7.3÷5.13.6×0.252.6×9.91.06×2.5×4(15+25)×23700-2185-81512×2528×255125×(8+4)32+144+68+562847-14×4×25×160×(15+500)435+19998×(125+9)46×18+54×18(400+16)×5170×4+80×4103×5613×68+13×32(2+4)×155×(20+6)8×23+8×279×6+4×9699×1475×99+75102×3649×80+80430-216-18467×9+33×9(13×8)×12520×(17×5)14×20×5276×38+276×62102×2625×(40×32)(5×7)×808×14×125×616×25×5×425×13×472843-5984×8×25×125259+468+741+53236×2512×15+12×3531×128-28×31(25+250)×4(125×125)×8(712-15)×6047×613+37×6132538×8227×(15×2728)×215710×101-71089×89÷89×8935×99+35(47+89)×22581521×34+1021×34-34345×2536×3435