21.36÷0.8-12.9 简算
问题描述:
21.36÷0.8-12.9 简算
答
21.36/0.8-12.9
=2136/80-1290
=-1263.3
21.36÷0.8-12.9 简算
21.36/0.8-12.9
=2136/80-1290
=-1263.3