PHẦN 1 (gồm 3 câu)
PHẦN 2 (4 câu)
CÁC BÀI TIẾP THEO
- Hình thang (trang 91, 92)
- Diện tích hình thang (trang 93, 94)
- Luyện tập (trang 94)
- Luyện tập chung (trang 95)
- Hình tròn. Đường tròn (trang 96, 97)
CÁC BÀI TRƯỚC
- Giới thiệu máy tính bỏ túi (trang 81, 82)
- Sử dụng máy tính bỏ túi để giải toán về tỉ số phần trăm (trang 82, 83, 84)
- Hình tam giác (trang 85, 86)
- Diện tích hình tam giác (trang 87, 88)
- Luyện tập (trang 88, 89)
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