(c) 30 +31 + 32 + ... + 50
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1
Answer:
30 + 31 + 32 + 50 is equals to 143
Step-by-step explanation:
30 + 31= 61 + 32= 93 + 50=143
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Answered by
0
Answer:525
Step-by-step explanation:use formula of sum of AP
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