简便计算题:1)6.9+4.8+3.12)4.02+5.4+0.983)3.68+7.562.684)3.82+2.9+0.18+9.15)5.27+2.860.66+1.636)47.87.45+8.87)66.868.661.348)3.6 102可编辑0.456+6.22+3.785.171.83.27.85+2.340.85+4.669.6+4.83.613.354.68+2.650.398+0.36+3.640.256.23.723.5+6.283.515.89+(6.755.89)13.75(3.756.48)35.61.815.67.27.140.532.4773.81.6413.85.3615.75+3.590.59+14.25(1.250.125) 89+18.7613)5.69514)17.8 (9.7815)15.2 0.25斗16)3.83.56+3.83.4417)27.5.77.5.7可编辑4.8 7.8+78X0.5256.59.9+56.54.29.53.52 2.5 0.49.6 0.8 840.49 4.40.8900.14.362.58.54 2.5 8432+4.90.97.090.80.8.0932091.25 83.94.1+6.15.94.29+4.21.25.52146.5(23+46.5)9.7 99+9.70.65 10118)(45.932.7)-8-0.1255.6 宁 1.25 宁 0.8 宁 2.5 宁 0.43.14X0.68+31.4X0.03219)7.2X0.2+2.4X1.4(2.81.3) +1.5X2.2620)3.9X2.7+3.9X7.312.7X9.9+1.2721)21X (9.33.7) 5.622)2.3X16+2.3X23+2.336.5X0.3723)46X57+23X862.22X9.9+6.66X6.724)101X0.87-0.91X870.79X199可编辑8.9X1.01181.8-0.125-0.89.43-(6.28-1.57)13.7X0.253.7-410.7X16.1 -15.1X10.77.74X5.4X11-5.43.65X4.715.02-6.8-1.0225) 4.8+8.63+5.2+0.375.93+0.19+2.811.76+0.195+3.2426) 2.35+1.713+0.287+7.651.57+0.245+7.436.02+3.6+1.9827) 0.134+2.66+0.8661.27+3.9+0.73+16.17.56.528) 3.070.381.621.29+3.7+2.71+6.32.451.5529) 3.25+1.790.59+1.7523.40.813.47.20.32 X 40330)3.2+0.36+4.8+1.641.23+3.40.23+6.631)12.7(3.7+0.84)36.541.764.540.25X0.73X4可编辑+4.980.25X3632)7.6X0.8+0.2X7.60.25X8.5X433)1.28X8.6+0.72X8.69.6X0.3534)0.8X (4.3X1.25)可编辑0.85X19912.5X0.96X0.83.12+3.12X99-若发-心有人10.4