Реши задание на изображении

Ответ:

1. 9 + 4 = 13 — Nine and four is thirteen.
2. 8 + 7 = 15 — Eight and seven is fifteen.
3. 12 + 11 = 23 — Twelve and eleven is twenty-three.
4. 24 + 6 = 30 — Twenty-four and six is thirty.
5. 18 + 9 = 27 — Eighteen and nine is twenty-seven.
6. 20 + 13 = 33 — Twenty and thirteen is thirty-three.
7. 17 + 70 = 87 — Seventeen and seventy is eighty-seven.
8. 14 + 40 = 54 — Fourteen and forty is fifty-four.
9. 13 + 30 = 43 — Thirteen and thirty is forty-three.
10. 64 + 36 = 100 — Sixty-four and thirty-six is one hundred.
11. 82 + 18 = 100 — Eighty-two and eighteen is one hundred.
12. 90 + 10 = 100 — Ninety and ten is one hundred.

Принцип: сначала складываем единицы и десятки. Например:
\(64 + 36 = 64 + 30 + 6 = 94 + 6 = 100\).

В составных числах ставим дефис: twenty-three, eighty-seven. Число 100 пишется one hundred.