下面各題怎樣算簡便就怎樣算.(自己選9道）
6.9＋4.8＋3.10.456＋6.22＋3.7815.89＋(6.75－5.89)


4.02＋5.4＋0.98 5.17－1.8－3.2 13.75－(3.75＋6.48)


3.68＋7.56－2.68 7.85＋2.34－0.85＋4.6635.6－1.8－15.6－7.2


3.82＋2.9＋0.18＋9.1 9.6＋4.8－3.6 7.14－0.53－2.47


5.27＋2.86－0.66＋1.63 13.35－4.68＋2.65 73.8－1.64－13.8－5.36


47.8－7.45+8.80.398+0.36+3.6415.75+3.59－0.59+14.25


66.86－8.66－1.34 0.25×16.2×4 (1.25－0.125)×8

3.6×1023.72×3.5＋6.28×3.5 36.8－3.9－6.1


15.6×13.1－15.6－15.6×2.1 4.8×7.8＋78×0.52 32＋4.9－0.9


4.8×100.156.5×9.9＋56.57.09×10.8－0.8×7.09


25.48－(9.4－0.52) 4.2÷3.5320÷1.25÷8


18.76×9.9＋18.76 3.52÷2.5÷0.4 3.9－4.1＋6.1－5.9

5.6÷3.59.6÷0.8÷0.44.2×99＋4.2


17.8÷(1.78×4) 0.49÷1.4 1.25×2.5×32 3.65×10.1


15.2÷0.25÷40.89×100.1146.5－(23＋46.5)


3.83×4.56＋3.83×5.444.36×12.5×89.7×99＋9.7


27.5×3.7－7.5×3.7 8.54÷2.5÷0.4 0.65×1013.2×0.25×12.5


(45.9－32.7)÷8÷0.125 3.14×0.68＋31.4×0.0325.6÷1.25÷0.8÷2.5÷0.4


7.2×0.2＋2.4×1.48.9×1.01 7.74×（2.8－1.3）＋1.5×2.26


3.9×2.7＋3.9×7.318－1.8÷0.125÷0.812.7×9.9＋1.27


21×（9.3－3.7）－5.615.02-6.8-1.025.4×11-5.4


2.3×16+2.3×23+2.39.43-（6.28-1.57）3.65×4.7－36.5×0.37


46×57＋23×86 13.7×0.25－3.7÷4 2.22×9.9+6.66×6.7


101×0.87-0.91×8710.7×16.1-15.1×10.70.79×199


4.8+8.63+5.2+0.37 5.93+0.19+2.81 1.76+0.195+3.24


2.35+1.713+0.287+7.651.57+0.245+7.43 6.02+3.6+1.98


0.134+2.66+0.8661.27+3.9+0.73+16.1 7.5＋4.9－6.5


3.07－0.38－1.62 1.29＋3.7＋2.71＋6.38－2.45－1.55


3.25＋1.79－0.59＋1.75 23.4－0.8－13.4－7.20.32×403


3.2＋0.36＋4.8＋1.641.23＋3.4－0.23＋6.60.25×36


12.7－（3.7＋0.84）36.54－1.76－4.540.25×0.73×4


7.6×0.8＋0.2×7.6 0.85×1990.25×8.5×4

1.28×8.6＋0.72×8.6 12.5×0.96×0.810.4－9.6×0.35


0.8×（4.3×1.25）3.12＋3.12×9928.6×101－28.6


0.86×15.7－0.86×14.7 2.4×1022.31×1.2×0.5


14－7.32－2.682.64＋8.67＋7.36＋11.33 70÷28


（2.5－0.25）×0.49.16×1.5－0.5×9.163.6－3.6×0.5


63.4÷2.5÷0.4 4.9÷1.43.9÷（1.3×5）


（7.7＋1.54）÷0.7 2.5×2.4 2.7÷45 15÷（0.15×0.4）

0.35×1.25×2×0.832.4×0.9＋0.1×32.4 15÷0.25



4.5÷1.8 4.2÷3.5930÷0.6÷5