56.5-41.2+42.5-58.8简便计算
问题描述:
56.5-41.2+42.5-58.8简便计算
...题目素56.5-41.2+43.5-58.8
答
56.5-41.2+42.5-58.8
=(56.5+42.5)-(41.2+58.8)
=99-100
=-1
如果本题有什么不明白可以追问,答案等于0呀....- -你看你题目是否写错了嗯嗯...写错哩、、、谢谢你啦..56.5-41.2+43.5-58.856.5-41.2+43.5-58.8=(56.5+43.5)-(41.2+58.8)=100-100=0