除以2怎么脱式计算

除以2怎么脱式计算

公式1：a－b－c=a－（b＋c）10－0.432－2.5689.3－5.26－2.7413.4－（3.4＋5.2）14.9－（5.2＋4.9）18.32－5.47－4.3217.29－5.28－6.29公式2：（aXb）Xc=aX（bXc）25×6.8×0.040.25×32×0.1256.4×1.25×12.5公式3：c×（a+b）=ca＋cb0.45×2010.58×10.150.2×994.7×9.93.28X5.7＋6.72X5.72.1×99＋2.11.7×9.9＋0.1723×0.1＋2.3×9.90.18＋4.26－0.18＋4.260.58X1.3÷0.58X1.37.3÷4＋2.7X0.253.75X0.5－2.75÷25.26X0.125＋2.74÷8公式4：a÷b÷c=a÷（b×c）6.3÷1.84.2÷3.59.5÷（1.9×8）12.8÷（0.4×1.6）930÷0.6÷563.4÷2.5÷0.4（7.7＋1.54）÷0.7（11.7＋9.9）÷0.9简便计算：100－0.9910.99＋9.874.089÷0.047　　0.24×3906.9＋4.8＋3.10.456＋6.22＋3.7815.89＋(6.75－5.89)4.02＋5.4＋0.985.17－1.8－3.213.75－(3.75＋6.48)3.68＋7.56－2.687.85+2.34-0.85+4.6635.6-1.8-15.6-7.23.82+2.9+0.18+9.19.6+4.8-3.67.14-0.53-2.475.27+2.86-0.66+1.6313.35-4.68+2.6573.8-1.64-13.8-5.3647.8-7.45+8.80.398+0.36+3.6415.75+3.59-0.59+14.2566.86－8.66－1.340.25×16.2×4(1.25-0.125)X83.6X1023.72X3.5+6.28X3.536.8－3.9－6.14.8×7.8＋78×0.5232＋4.9－0.94.8×100.156.5×9.9＋56.57.09X10.8-0.8X7.0925.48－(9.4－0.52)4.2÷3.5320÷1.25÷818.76×9.9＋18.763.52÷2.5÷0.43.9－4.1＋6.1－5.95.6÷3.59.6÷0.8÷0.44.2×99＋4.217.8÷(1.78×4)0.49÷1.41.25×2.5×323.65×10.115.2÷0.25÷40.89×100.1146.5－(23＋46.5)3.83×4.56＋3.83×5.444.36×12.5×89.7×99＋9.727.5×3.7－7.5×3.78.54÷2.5÷0.40.65×1013.2×0.25×12.57.2×0.2＋2.4×1.48.9×1.017.74×（2.8－1.3）＋1.5×2.263.9×2.7＋3.9×7.318－1.8÷0.125÷0.812.7×9.9＋1.2721×（9.3－3.7）－5.615.02-6.8-1.025.4×11-5.42.3×16+2.3×23+2.39.43-（6.28-1.57）3.65×4.7－36.5×0.3746×57＋23×8613.7×0.25－3.7÷42.22×9.9+6.66×6.7101×0.87-0.91×8710.7×16.1-15.1×10.70.79×1994.8+8.63+5.2+0.375.93+0.19+2.811.76+0.195+3.242.35+1.713+0.287+7.651.57+0.245+7.436.02+3.6+1.980.134+2.66+0.8661.27+3.9+0.73+16.17.5＋4.9－6.53.07－0.38－1.621.29＋3.7＋2.71＋6.38－2.45－1.553.25＋1.79－0.59＋1.7523.4－0.8－13.4－7.20.32×4033.2＋0.36＋4.8＋1.641.23＋3.4－0.23＋6.60.25×3612.7－（3.7＋0.84）36.54－1.76－4.540.25×0.73×47.6×0.8＋0.2×7.60.85×1990.25×8.5×41.28×8.6＋0.72×8.612.5×0.96×0.810.4－9.6×0.350.8×（4.3×1.25）3.12＋3.12×9928.6×101－28.60.86×15.7－0.86×14.72.4×1022.31×1.2×0.514－7.32－2.682.64＋8.67＋7.36＋11.3370÷28（2.5－0.25）×0.49.16×1.5－0.5×9.163.6－3.6×0.563.4÷2.5÷0.44.9÷1.43.9÷（1.3×5）（7.7＋1.54）÷0.72.5×2.42.7÷4515÷（0.15×0.4）0.35×1.25×2×0.832.4×0.9＋0.1×32.415÷0.25

62除以4乘2
=15点5乘2
=31

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