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!
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