10.1×2.7(简算)好心人帮个忙呗.数学作业不会做.
问题描述:
10.1×2.7(简算)好心人帮个忙呗.数学作业不会做.
答
10.1x2.7
=(10+0.1)x2.7
=10x2.7+0.1x2.7
=27+0.27
=27.27