3.2乘0.25的简便运算

隆苛庙21643.2*0.25*0.125 (简便计算)(写出过程) -
融雨肃19468551662 ______[答案] 3.2*0.25*0.125 =0.4*0.25*8*0.125 =0.1*1 =0.1

隆苛庙21643.2➗0.25可以简便计算吗? -
融雨肃19468551662 ______[答案] 3.2*0.25 =0.8*4*0.25 =0.8

隆苛庙21643.2÷0.25的简便算法全面的回答,3.2/0.25的简便算法,小学五年级数学知识 -
融雨肃19468551662 ______[答案] 3.2÷0.25 =3.2x1÷0.25 =3.2x4 =12.8

隆苛庙21643.2*0.25*12.5简便方法计算 -
融雨肃19468551662 ______[答案] 3.2*0.25*12.5 =4*0.8*0.25*12.5 =(4*0.25)*(0.8*12.5) =1*10 =10

隆苛庙216432*0.25如何简便运算 -
融雨肃19468551662 ______ =8*(4*0.25)=8

隆苛庙21643.2乘1.25乘0.25用简便方法计算. -
融雨肃19468551662 ______ 3.2*1.25*0.25 =(4*0.8)*1.25*0.25 =(0.8*1.25)*(4*0.25) =1*1 =1

隆苛庙2164 3.2*0.25表示__. -
融雨肃19468551662 ______[答案] 分析:根据题意,小数乘小数的意义是求这个数的几分之几是多少,然后再进一步解答即可.根据题意,由小数乘小数的意义可得:3.2*0.25表示3.2的百分之二十五是多少,故答案为:3.2的百分之二十五是多少.点评:本题主要考查小数乘小数的意义.

隆苛庙2164用简便方法计算:3.2*(0.125+0.25) -
融雨肃19468551662 ______[答案] 3.2*(0.125+0.25) =3.2*0.125+3.2*0.25 =0.4*8*0.125+0.8*4*0.25 =0.4+0.8 =1.2

隆苛庙216432乘0.125的简便方法. -
融雨肃19468551662 ______ 32*0.125 =4*8*0.125 =4*1 =4

隆苛庙21643.2*0.25怎样简算 -
融雨肃19468551662 ______ 3.2x0.25=0.8x4x1/4=0.8