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2.What is the average of the numbers 5, 6, 7, 8, 9, 10 and 11?Five pieces of ribbons measure : 51 cm, 57 cm, 60 cm, 55.5 cm and 54 cmthis is addition and division |
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Answer» Step-by-step EXPLANATION: PLEASE only ONE BRAINLIST answerhope it HELPS you |
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