2.16÷[64.8-(51.3-2.7)×3] - 知识问答

2.16÷[64.8-(51.3-2.7)×3]

1个回答

2.16÷[64.8-(51.3-2.7)×3]
=2.16÷[21.6×3-48.6×3]
=2.16÷[3×﹙21.6-48.6﹚]
=2.16÷[3×﹙﹣27﹚]
=﹣2.16÷81
=﹣8/300

相关问题