3.6*5.8+0.36*4.2怎样简算
问题描述:
3.6*5.8+0.36*4.2怎样简算
急
答
3.6*5.8+0.36*4.2
=0.36*58+0.36*4.2
=0.36*(58+4.2)
=0.36*62.2
=22.392