帮忙出20道简便运算题和方程 谨记 简便运算要脱式的啊!

帮忙出20道简便运算题和方程 谨记 简便运算要脱式的啊!

5.6×2.93.77×1.80.02×965.22×0.39.99×0.024.67×0.95×2.441.666×6.19.432×0.0025.6×6.54.88×2.95.61×4.38.9×2.45.5×559.77×0.021.384×5.18.78×832.6×610.059×0.24.268×1.757×5.79.46×2.8517.8×6.41.5×4.92.5×0.885.555×5.22.22×3.337.658×8536.02×0.356.78×8除法：85.44÷1642.84÷7101.7÷967.5÷15230.4÷621.24÷360.736÷2343.5÷1235.21÷739.6÷246.21÷0.03210÷1.451.3÷0.2791.2÷3.80.756÷0.180.66÷0.311.97÷1.569.6÷2.938.4÷0.815÷0.06（循环小数的用简便方法,除不尽保留2位小数）：8.2÷0.120.8÷0.976.4÷5.44.7÷31.25÷1.232÷4214.36÷2.78.33÷6.21.7÷0.032.41÷0.7用竖式计算0.396÷1.2= 0.756÷0.36= 15.6×13=0.18×15= 0.025×14= 3.06×36=0.04×0.12＝ 3.84×2.6≈ 5.76×3＝ （保留一位小数）7.15×22 90.75÷3.3 3.68×0.2516.9÷0.13 1.55÷3.9 3.7×0.01613.76×0.8= 5.2×0.6 8.4×1.36.4×0.5 4.48×0.4 5.25×535.4×4.2 0.042×0.54 0.76×0.320.25×0.046 2.52×3.4 1.08×25 0.12×0.5×0.16＝ 4.8×0.25＝ 0.125×1.4≈（保留两位小数）2.5÷0.7= （保留三位小数） 10.1÷3.3= （商用循环小数）10.75÷12.5= （用乘法验算） 3.25

好好学习下