18除以0.25(简算)
问题描述:
18除以0.25(简算)
急
答
18除以0.25
=18×4
=10×4+8×4
=40+32
=72
18除以0.25(简算)
急
18除以0.25
=18×4
=10×4+8×4
=40+32
=72