Question

A. Given below are some number trees. Each number is the sum of the two
numbers given below it. Do the math and fill the trees. The first one has been
you.
done for
2.
3.
12
4
8
6
7
5
12
4
5
3
5
5.
40
6.
30
21
72
12
00
13
16
18​

Answer 1

Answer:

what is this not understand at all