Question

2.6＋1.4×3的简便计算！急！

Answer 1

解：2.6+1.4×3=2.6+1.4+1.4×2=4+2.8=6.8，运用乘法分配率逆运算

Answer 2

2.6＋1.4×3
=2.6+4.2
=6.8

Answer 3

题目比较简单，
按步骤计算即可。
2.6+1.4×3
等于2.6+ 4.2
等于6.8。

Answer 4

显然2.6可以和1.4相加，那就是4，后边剩下两个1.4就是2.8，总共加起来是6.8

Answer 5

2.6+1.4×3
=2.6+1.4+1.4×2
=(2.6+1.4)+1.4×2
=4+2.8
=6.8