MN giải giúp mình bài này với ạ

Người ta dùng 3.36 lít (đktc) khí CO để khử 12 gam Fe2O3 . Sau khi phản ứng xảy ra hoàn toàn thu được m gam chất rắn . Tính m GIÚP EM VỚI Ạ EM CẦN GẤP!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

mình cần bài này ạ thanksss các bạn

1. Every year, Viet Nam exports millions of tons of rice. 2. The zookeeper feeds the animals at the zoo every day. 3. Mary types letters in the office every day. 4. My father waters this flower every morning. 5. Someone cut down the tree in the garden yesterday. 6. They chose him as the best actor of the year. 7. The artist painted a huge picture to raise fund for the poor children. 8. Their boss made them work very hard until midnight. 9. Mr. Tam is painting his pictures with his patience. 10. Countries are finding a way to solve the problem. 11. My mother is making “Special Chinese Fried Rice” in the kitchen now. 12. She is doing her homework in her room at present. 13. He was repairing his car at this time yesterday. 14. Linh was riding a bike when we saw her yesterday 15. They were building this house at 5 o’clock last Monday

Giúp mik giải câu 3vs 4 thui nha😬 Giải chi tiết giúp mik Cảm ơn

Helppppppppp please đừng làm bừa :<<<

giúp mk câu này nha,mk vote 5* cho câu trả lời hay nhất ,giải cho mk từng bước nha,thank you

Giải giúp mình câu này đi mọi người

Mình Cần gấp câu này ạ thanks các bạn nhé

1, rút gọn biểu thức a, A= 4^6 x 9^5+ 6^9 x 120 / 8^4 x 3^12 b,B= 5.4^15.9^9-4.3^26.8^9 / 7. 2^29 .27^6 -5. 2^29 . 9^16 c,C= 5^10 .7^3 -25^3.49^2 / ( 125.7)^3+ 5^9 .14^2