Rectify the error, if any. a. 7 * 3 + 5 = 7 * 3 + 7 x 5 b. 7 x 9 = 7 * 10 - 1 c. 4 (5 +9) = 4 x 5 + 5 x 9 d. 15 -(5-2)=(15 - 5)-2
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a) 26=56.
b) 63=69.
c) 56=65.
d) 12=20.
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