小数乘法简便运算练习题49334

。十进制乘法的简单算术练习一、简单操作0 . 258 . 5412 . 50 . 960 . 80 . 250 . 7344 . 3612 . 580 . 2516 . 241 . 252 . 5323 . 2512 . 2536。第二，操作简单(1.25-0.125)84.810.1 3.61020.391990.324033.6510.10.859.9三、操作简单3.723.5+6.283.515.62.1-15.61.13.834.56+3.835.4456.599+56.57.0910.8-0.87.099.799+9.74.299+4.227.53.7-7.53.73.92.7+3.97.3四、操作简单2.316 2.323 2.35.411-5.410.716.1-15.110.77.74(2.8-1.3)+1.52.2610.60.35-9.60.357.60.8+0.27.6五、操作简单1.288.6+0.728.60.651018.91.01六、操作简单4.87.8+780.521.879.9+0.1873.140.68+31.40.03212.79.9+1.273.654.7-36.50.371010.87-0.9187七、用简单的方法计算6.663.3 6.666.77.20.2+2.41.44657+2386十进制乘法的简单计算练习十进制乘法的简单计算方法：1。汇率规律和乘数与分配率组合规律的应用。(整数的运算法则也适用于小数)2。从表面上看，左右两边的因子不一样，所以不能用乘法分布规律。我们可以通过改变一个变量，将一个变量除以一，然后用乘法分布律计算出0.258.54，从而找出相同的因子12.50.960.80.250.7344.3612.580.2516.241.252.5323.20.2512.50.2536(1.25-0.125)84 . 810 . 1 3 . 6102 0 . 39199 0 . 32403 3 . 6510 . 1 0 . 859 . 9 3 . 723 . 5+6 . 283 . 5 15 . 62 . 1-15 . 61 . 1 4 . 87 . 8+780.52 56.599+56.57.0910.8-0.87.091.879.9+0.1874.299+4.23.84.56+3.835.449.799+9.727.53.7-7.53.73.140.68+31.40.0327.20.2+2.41.45.411-5.47.74(2.8-1.3)+1.52.263.92.7+3.97.312.79.9+1.272.316 2.323 2.33.654.7 -36.50.371010.87-0.91874657+238610.716.1-15.110.77.60.8+0.27.61.288.6+0.728.610.60.35-9.60.358.91.01 0.65101 480.56+440.480.279343+0.6572790.264519+2640.4819.161.53-0.0