Question

5.a.b +172-2b (a=70 (b=20



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Answer 1

$\large\sf{}5 \times \: a \times b + 172 - 2b \\\\ \large\sf{}5 \times 70 \times 20 + 172 - 2 \times 20 \\ \\ \large\sf{}70000 + 172 - 2 \times 20 \\\\ \large\sf{}70000 + 172 - 40 \\\\ \bm{\large\boxed{\boxed{  { \large \sf 70132}}}}$

${\large\boxed{\boxed{  { \large \sf Bons~Estudos }}}}$