An alien researcher collected 4/6 samples of gas on the space station. How many more samples does he need to collect to complete the research? Инопланетный исследователь собрал 4/6 образцов газа на космической станции. Сколько образцов ему
1/3
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15
A group of researchers discovered an unknown planet. If 2/3 of its surface is covered by oceans and 1/5 is covered by deserts, what fraction of the planet can be considered habitable?
2/15
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5
Find the least common denominator. Найди наименьний общий знаменатель.
56
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15
Maxim ate 4/9 of the pizza, while Ayana ate 1/6 of the pizza. How many parts of the pizza are left? Максим съел 4/9 пиццы, а Аяна съела 1/6 пиццы. Сколько частей пиццы осталось?
7/18
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5
Find the least common denominator. Найди наименьний общий знаменатель.
80
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thief
Give points!
5
10
15
20
25
fairy
Take points!
5
10
15
20
25
gift
Win 5 points!
Okay!
baam
Lose 10 points!
Oops!
15
Embarking on a mission to Mars assumes that a spacecraft launches every 26 months. If the next launch was in May, when will the next one be? Космический корабль стартует каждые 26 месяцев. Если запуск в мае, то когда следующий?
May + 26 months = July.
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15
On the planet Venus, there were 9 oceans. Then, 2/3 of the oceans dried up. How many oceans are left? На планете Венера было 9 океанов. Затем 2/3 океанов высохли. Сколько океанов осталось?
3
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lifesaver
Give 25 points!
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star
Double points!
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fairy
Take points!
5
10
15
20
25
baam
Lose 15 points!
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10
Calculate. Вычислите.
23/60
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10
Calculate. Вычислите.
19/45
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10
Calculate. Вычислите.
65/84
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15
A group of researchers went on an expedition to Saturn. They collected 3/5 of soil samples and then an additional 2/15. How many samples, in total, did they collect? Группа исследователей отправилась на экспедицию на Сатурн. Они собрали 3/5
11/15
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15
The spacecraft completed five space raids. If it used 3/16 of its fuel reserves on each raid, what fraction of fuel remains in the spacecraft? Косм.корабль совершил пять косм.рейдов. Если на каждом рейде он использ.3/16 топл. То сколько ост