Question

ANVS. 99
Exercise 2.1
A. Fill in the blanks.
1. 8 + 16 = - + 8
4. 143 + - = 144
B. Add by expanding numbers.
1. 34 + 48 =
4. 21 + 67 =
7. 13 + 50 =
2. 4 + 19 = 19 +
5. 61 + 0 = _
3. 1 + 99 =
6.0 + 440 =
2. 28 + 34 =
5. 84 + 42 = _
8. 31 + 56 =
3. 35 + 27 =
6. 97 + 11 = _
9. 77 + 53 =​

Answer 1

Dude are you out of your mind