Question

三点28×5点7+6点72×5点一简便计算？

Answer 1

有关于3.28×5.7+6.72×5.7这个算式使用简便的方法来进行计算，过程如下：
3.28×5.7+6.73×5.7
=5.7×（3.28+6.73）
=5.7×10
=57

Answer 2

解:3.28ⅹ5.7+6.72ⅹ5.1
=3.28ⅹ(5.1+0.6)+6.72ⅹ5.1
=3.28ⅹ5.1+3.28ⅹ0.6+6.72x5.1
=(3.28+6.72)ⅹ5.1+3.28ⅹ0.6
=10ⅹ5.1+1.968
=51+1.968
=52.968

Answer 3

3.28x5.7+6.72x5.1
=3.28x5.7+6.72x5.7－6.72x0.6
=5.7x(3.28+6.72)－6.72x0.6
=5.7x10－4.032
=57-4.032
=52.968

Answer 4

3.28x5.7+3.72x5.1
=3.28x5.1+3.28x0.6+3.72x5.1
=（3.28+6.72）x5.1+3.28x0.6
=10x5.1+1.968
=51+1.968
=52.968