Answer:
1. 5(-4)= -1
so ussualy its 5+(-4) = [-1]
Subtraction because possitive + negative = Negative
2. 8÷4 = 2
ilang 4 meron sa 8? so answer is 2
3. 2 (9) = 18
means Multiply .
4. 36 - 64 =28
subtracted them.
5. 23 + 17 =40
addition.
6. (-31) + (-6) = -42
addition but the sign is negative
7. (-85) + 91 = 6
subtraction because possitive + negative = negative, and also the nunber 91 is higher than 81 so possitive will be the sign.
8. 20 + (-5) = 15
9. (-67) + 13 = -54
10. 45 - (-23) = 71
CarryOnLearning.
Pakipindot nalang po yung thanks :)
