简便计算
212×6.6＋2.5×6351178－613－1234.6+325+635+5.43415×(57－314÷34)
2.8+549+7.2+359438+2.25+558+734725+457+23553611－1647+16511
237+359－337+149+1470.75+58+14+0.37545＋945+9945+99945+999945
445－(245+512)5-21417-131748.3-1516-456956×4.25+414÷6
0.625×0.5+58+12×62.5%3138×72513÷31382.5×(910+910+910+910)
22×34+25×75%-7×0.750.25×63.5－14×13126715×2.5-212×4715
389+3.125+119+1781645+(247-1.8)(111+999)÷[56×(37-38)]
49.5×1035-(50-12)×0.6711×41419+5519÷147+71145×(79+415－0.6)
897×38－37.5%+104×0.375314×(538－5.375)3.5×114+1.25×2710+3.8÷45
71×993755+29968439+1001
446+295888+9991125-996
299×101563×9992100÷20
6÷0.2572×156-56×7225×32×125
709×99+7090.25×482.5×370.4×213
212×6.6+2.5×63575.3×99+75.3
4.6×3.7+54×0.370.125×34+18×8.25+12.5%
1178―613―12315314―4.25―534
19.82―6.57―3.434.6+325+635+5.4
438+2.25+558+7349.63÷2.5÷4
8.37-3.25-(1.37+1.75)