下面各題怎樣算簡便就怎樣算。15.89＋(6.75－5.89)13.75－(3.75＋6.48)7.85＋2.34－0.85＋4.66 35.6－1.8－15.6－7.23.82＋2.9＋0.18＋9.1 9.6＋4.8－3.6 7.14－0.53－2.475.27＋2.86－0.66＋1.63 13.35－4.68＋2.65 73.8－1.64－13.8－5.3647.8－7.45+8.8 0.398+0.36+3.64 15.75+3.59－0.59+14.2566.86－8.66－1.34 0.25×16.2×4 (1.25－0.125)×83.6×102 3.72×3.5＋6.28×3.5 36.8－3.9－6.115.6×13.1－15.6－15.6×2.1 4.8×7.8＋78×0.52 32＋4.9－0.94.8×100.1 56.5×9.9＋56.5 7.09×10.8－0.8×7.0925.48－(9.4－0.52) 4.2÷3.5 18.76×9.9＋18.76 3.9－4.1＋6.1－5.95.6÷3.5 4.2×99＋4.217.8÷(1.78×4) 0.49÷1.4 1.25×2.5×32 3.65×10.10.89×100.1 146.5－(23＋46.5)3.83×4.56＋3.83×5.44 4.36×12.5×8 9.7×99＋9.727.5×3.7－7.5×3.7 0.65×101 3.2×0.25×12.5(45.9－32.7)÷8÷0.1257.2×0.2＋2.4×1.43.9×2.7＋3.9×7.321×（9.3－3.7）－5.62.3×16+2.3×23+2.3

3.14×0.68＋31.4×0.032 8.9×1.01 7.74×（2.8－1.3）＋1.5×2.2618－1.8÷0.125÷0.8 12.7×9.9＋1.2715.02-6.8-1.02 5.4×11-5.49.43-（6.28-1.57） 3.65×4.7－36.5×0.3746×57＋23×86 13.7×0.25－3.7÷4 2.22×9.9+6.66×6.7101×0.87-0.91×87 10.7×16.1-15.1×10.7 0.79×1994.8+8.63+5.2+0.37 5.93+0.19+2.81 1.76+0.195+3.242.35+1.713+0.287+7.65 1.57+0.245+7.43 6.02+3.6+1.980.134+2.66+0.866 1.27+3.9+0.73+16.1 7.5＋4.9－6.53.07－0.38－1.62 1.29＋3.7＋2.71＋6.3 8－2.45－1.553.25＋1.79－0.59＋1.75 23.4－0.8－13.4－7.2 0.32×4033.2＋0.36＋4.8＋1.64 1.23＋3.4－0.23＋6.6 0.25×3612.7－（3.7＋0.84） 36.54－1.76－4.54 0.25×0.73×47.6×0.8＋0.2×7.6 0.85×199 0.25×8.5×41.28×8.6＋0.72×8.6 12.5×0.96×0.8 10.4－9.6×0.350.8×（4.3×1.25） 3.12＋3.12×99 28.6×101－28.60.86×15.7－0.86×14.7 2.4×102 2.31×1.2×0.514－7.32－2.68 2.64＋8.67＋7.36＋11.33 （2.5－0.25）×0.4 9.16×1.5－0.5×9.16 3.6－3.6×0.563.4÷2.5÷0.463.4÷2.5÷0.44.9÷1.43.9÷（1.3×