六年级数学计算题练习2.8×5.6+3.4×245+280%1.7×38+2.3×382.64÷7+3.36×17+177.4+459+2.6+54924×(512－38+16)0.125×212×32(89+23－127)×271.25×2710+345÷0.826×2111357÷913+27÷9136.28×47+6.28÷21363100×1018.75－256－(134+316)2137÷34.4－1.6－1259×710+3×710－2×710710×9.915×0.5×15×4.5279÷54÷456.28×47+6.28÷2138.75－256－(134+316)2137÷34.4－1.6－125．87×（36－751）÷3.697÷251＋115×92（94＋65－187）÷36171100257212×6.6＋2.5×63593.5÷321÷72（8700＋870＋87）÷87155×15615541×（4.85÷185－3.6+6.15×353）64171÷94.6+325+635+5.414×73＋0.65×138－72×14＋135×0.65125×8.84.8×1.013.2×7÷3.2×764.2×87＋0.642×130078×36＋7.8×741－7540.4×（2.5÷73）2113×17＋1217×816÷2.587×21＋0.125×21＋0.52.42÷43+4.58×311－4÷3
