Вопрос школьника по предмету Математика
Сплав состоит из золота и серебра.В куске сплава 120 г золота , что составляет одну шестую его массы. какова масса всего куска сплава?
Ответ учителя по предмету Математика
120:6*4=80(масса серебра)
120+80=200(масса всего куска)
Ответ:200 грамм.
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Task 1 .Раскрой правильно скобки
1. Some days ago I …(to be) in the theatre.
______________________________________________________
2. Next year our family …(to travel) to the mountains. ______________________________________________________
3. My day always… (to begin) with a cup of black coffee. ______________________________________________________
4. He …(not/to be) happy when I saw him last. ______________________________________________________
5. Where …you (to be) last summer? ______________________________________________________
6. I …(not/to go) to the park tomorrow, I …(to stay) at home. ______________________________________________________
7. I not (to like)… pizza, I… (to like) hot dogs. ______________________________________________________
8. Who …you (to play) chess with yesterday? ______________________________________________________
9. When …you usually (to get up)? ______________________________________________________
10. Why …he often (to behave) in such a way? ______________________________________________________
Task 7. Выбери правильный ответ
1. We often (to write) tests.
a) write b) writes c) wrote d) will write
2. Tomorrow they (to go) to Ann’s birthday.
a) go b) goes c) went d) will go
3. Yesterday I (to get) a good mark.
a) get b) gets c) got d) will get
4. My Mum always (to cook) very well.
a) cook b) cooks c) cooked d) will cook
5. We usually (to be) at school at 8.10.
a) be b) is c) are d) were
6. Some days ago my parents (to be) at the meeting. (на собрании)
a) are b) will be c) was
d) were