5^2021:5^2019+3^2.2^2
=5^2021-2019+9.4
=5^2+9.4
=25+9.4
=25+36
=61
`5^{2021} : 5^{2019} + 3^2. 2^2`
`= 5^2 + 9. 4`
`= 25 + 36`
`= 61`
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.