Nhờ giải giúp mình vơi Một khu vườn hình chữ nhật có chu vi 140m. Khi ta tăng chiều rộng 15m và giảm chiều dài đi 15m khi đó khu vườn trở thành hình vuông. Tính diện tích của khu vườn hình chữ nhật đó?

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LM JUP E VS Ạ EM camonn nhaaa iuuu moahhh nè X/ Rewrite the sentence without changing the meaning 1. Keeping the environment clean is very important. - It’s …………………………………………………………………………….. 2. They will show the time machine to the public when they finish it. - The time machine …………………………………………………………………….. 3. He was delighted to receive his aunt’s letter. - He was delighted that ……………………………………………………………….. 4. Old car tires are recycled to make shoes and sandals. - People ……………………………………………………………………………….. 5. I’m very sad that I wasn’t accepted in that group. - I’m very sad not ……………………………………………………………………. 6. It’s three years since I last spoke to her. - I haven’t ……………………………………………………………………………… 7. Tam doesn’t type as fast as she used to. - Tam used …………………………………………………………………………….. 8. “ Please turn down the radio for me”, said my father. - My father asked ……………………………………………………………………… 9. Lan will be fifteen next week. - It is Lan’s …………………………………………………………………………….. 10. How long is it since you used the pen? - When ………………………………………………………………………….?