简便方法运算以下数学题2.03*0.32+3.52*0.68_1.49*0.68

问题描述:

简便方法运算以下数学题2.03*0.32+3.52*0.68_1.49*0.68

原式 = 2.03*0.32 + (3.52*0.68-1.49*0.68)
= 2.03*0.32 + (3.52-1.49)*0.68
= 2.03*0.32 + 2.03 * 0.68
= 2.03*(0.32 + 0.68)
= 2.03*1
= 2.03