Question

5.1×78+1.7×66怎样简便怎样算？

Answer 1

5.1×78+1.7×66简便运算如下：
5.1×78+1.7×66
=1.7×3×78+1.7×66
=1.7×（3×78+66）
=1.7×300
=510
以上就是这道题的简便运算，一道式子，抓到它的简便算法便会变得容易计算

Answer 2

5.1*78+5.1*22
=5.1*（78+22）
=5.1*100
=510

Answer 3

利用5.1=1.7×3
5.1×78+1.7×3×22
=5.1×78+5.1×22
=5.1×(78+22)
=5.1×100
=510

Answer 4

＝5.1x78＋1.7x3x22
＝5.1x78＋5.1x22
＝51x（78＋22）
＝5.1x100
＝510

Answer 5

5.1×78+1.7×66
＝5.1×78+1.7×3×22
＝5.1×(78+22)
＝5.1×100
＝510