A= 5√32 -3√72 - √12,5
=20√2 -18√2- 5√2/2
=- √2/2
A=5√32-3√72-√12,5
=20√2-18√2-√12,5
=2√2-√12,5
Choose the best answer.
I think you should buy _____ pack of mineral water instead. And you can also buy _____ snacks such as potato crisps, 3 kilos of mandarins, 2 kilos of apples, 3 bunches of bananas, ______ cookies and soft candies.
We should decorate our living room with _____ orange banner. We also need ________ ribbons, balloons, party hats and costume.
I think that ______ cauliflower is not enough for 3 people. Let’s buy one more.