简算:13.72-6.84+5.84
问题描述:
简算:13.72-6.84+5.84
答
=13.72-(6.84-5.84)
=13.72-1
=12.72
简算:13.72-6.84+5.84
=13.72-(6.84-5.84)
=13.72-1
=12.72