girls in the first grade account for one-third of the total strength of the class 3 girls are absent today. find the total stren
1 answer:
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Answer:
73
Step-by-step explanation:
Put the values of the variables where the variables are, then do the arithmetic.
(2·5)^2 -3·3^2 = 10^2 -3·9 = 100 -27 = 73
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