化简比求比值2.4比4.2
问题描述:
化简比求比值2.4比4.2
答
2.4比4.2
=(0.6×4):(0.6×7)
=4:7
化简比求比值2.4比4.2
2.4比4.2
=(0.6×4):(0.6×7)
=4:7