六年级毕业简便计算

3.6+9.7+6.4 12.5×4.9×8 3.6×2.5×4 15.68+114.7+84.322.89+2.7+7.3+3.21 8.8-6.75

3.6+9.7+6.412.5×4.9×83.6×2.5×415.68+114.7+84.32 2.89+2.7+7.3+3.21 8.8-6.75+9.2-0.25 4+3.2＋5+6.8 12－(1+2)400÷125÷825×（37×8）3.4×99＋ 3.4 (－)×121×2×34×(2＋)125×8.8 4.35＋4.25＋3.65＋3.7517.15－8.47－1.5317－3－4 ÷2＋×0.125×0.25×3222.3－2.45－5.3－4.55 (＋+)×724.25－3－(2－1)187.7×11－187.7