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dmitriy555 [2]
3 years ago
5

PLEASE HELP FAST!!!! 40 POINTS!!!!!!

Mathematics
2 answers:
Thepotemich [5.8K]3 years ago
8 0
1st pic.

commutative property of addition ...last answer

2nd pic

(r*18) - (r*3) ..second answer

3rd pic
13(k+10) = 13 * k + 13*10 ....third answer

4th pic


(3a) . 2c
6ac
3(2ac)

5th

1st one...not equivalent
2nd one...equivalent

dimulka [17.4K]3 years ago
5 0
Commutative property of addition
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