Question

7.2×0.1+7.2×9怎么简便运算？

Answer 1

7.2×0.1+7.2×9
=0.72+7.2×（10-1）
=0.72+72-7.2
=65.52
这样计算稿逗态就简指歼便一键源些。

Answer 2

这题的解答为：0.72+7.2x10-7.2=72.72-7.2=65.52。希望能够帮到你。

Answer 3

7.2×0.1+7.2×9

---

=7.2×(0.1+9)

---

=7.2×9.1

---

=65.52

Answer 4

7.2×0.1+7.2×9这辩培么如源简携橡唯算：
7.2×0.1+7.2×9=7.2×(0.1+9)
7.2×9.1
=65.52

Answer 5

①7.2ⅹ郑激凳(0.1+9)=7.2x9.1=65.52②7.2x0.1+7.2ⅹ(10-1)=0.72+72-7.2=65.52
③7.2ⅹ喊旅0.1+(7+0.2)ⅹ铅改9
=0.72+63+1.8
=65.52。