Đáp án:
Giải thích các bước giải:
2.4.6.8.....3500=21750(1.2.3.4...1750)
2.4.6.8.....3500=2.(2.2).(2.3).(2.4).......(2.1750)=21750.(2.3.4.5.6......1750)=21750.1750!.
tìm những nhược đểm của máy bay B52
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.