0.75*2.84/3.6/1.5/1.42*1.8急!
问题描述:
0.75*2.84/3.6/1.5/1.42*1.8急!
满意追加5分
答
0.75*2.84/3.6/1.5/1.42*1.8
=(0.75÷1.5)x(2.84÷1.42)x(1.8÷3.6)
=0.5x2x0.5
=0.5