Use compatible numbers to compute each of the following mentally:
a. 5 11 3 20b. 82 + 37 + 18 + 13
a. 5 11 3 20
b. 82 + 37 + 18 + 13
We need at least 10 more requests to produce the solution.
0 / 10 have requested this problem solution
The more requests, the faster the answer.
Request! (Login Required)
Post an Article +5 Coins
Post an Answer +5 Coins
Post a Question with Answer +5 Coins