3.33.3
9 plus 11 (20) plus 15 (35) plus 18 is equal to 53
It is: (15+18)+12 = 45
-12 + 18 - (-15) = -12 + 18 +15 = 21
39-15+18 6x3 Answer: 25
3.33.3
The answer is 142. Just add all of the numbers together and then you get the answer. Always check your work when you are done. You can use a calculator to do this.
9 plus 11 (20) plus 15 (35) plus 18 is equal to 53
18 + 10 + 20 + 30 + 15 + 50= 143
-3
65
It is: (15+18)+12 = 45
160
57 - (24 plus 15) = 18
17+18=35 done
-12 + 18 - (-15) = -12 + 18 +15 = 21
-15.