37.2×5.4+3.28×54（简算）

37.2×5.4+3.28×54（简算）
37.2×5.4+3.28×54（简算）

37.2×5.4+3.28×54（简算）
原式=37.2*5.4+3.28*5.4*10
=37.2*5.4+32.8*5.4
=(37.2+32.8)*5.4
=60*5.4
=324.
谢谢.
用手机回答有点慢,不好意思

37.2×5.4+3.28×54
=3.72×54+3.28×54
=(3.72+3.28)x54
=7x54
=378