2. Verify whether the following are true.
a. 17 + 21 = 171 + 121
d. 12 + (-7)1 = 121 + 1-71
b. 1-3 +51 =1-31 + 151
e. -15- (-4)1=1-151
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Answer:
A is the correct answer
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Answer:
2. Verify whether the following are true.d. 12 + (-7)1 = 121 + 1-71
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