The sixth grade mathematics class homework 10.11

The sixth grade mathematics class homework 10.11

I think it's no use telling you the answer now. I just want to tell you the other 15 pages 1 (5) (20) (64) (60.6) 16 pages to judge right and wrong right and wrong right and wrong. Question 3 30 40 12 20 317 page (2) 1.2 divided by 2 = 0.6m 2.4 divided by 0.6 = 4m 9 * 0.6 = 5.4m answer: tree height 4m building shadow length 5.4m