Question

3.02×4.6用简便方法计算有几种？

Answer 1

3.02×4.6，用简便方法计算是
先把3.02拆分成3+0.02，再×4.6，然后运用乘法分配律，最后得到结果13.892
答案是：
3.02×4.6
＝（3＋0.02）×4.6
＝3×4.6＋0.02×4.6
＝13.8＋0.092
＝13.892
希望能帮到你，谢谢！

Answer 2

第一种:
3.02x4.6
=3.02x(4+0.6)
=3.02x4 + 3.02x0.6
=12.08 + 1.812
=13.892
第二种:
3.02x4.6
=(3+0.02)x4.6
=3x4.6+0.02x4.6
=13.8 + 0.092
=13.892