Answer:
5,814
Step-by-step explanation:
19 × 18 × 17
Answer:-2
3 brownies left over :) he filled 52 tins
-3√45 + 3√20 = -3√(9 · 5) + 3√(4 · 5) =
= -3√(3² · 5) + 3√(2² · 5) =
= -3 · 3√5 + 3 · 2√5 =
= -9√5 + 6√5 = -3√5 ← the end