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baochau0410
2 năm trước
ÔN TẬP NGÀY THỨ TƯ 15.9.2021 Bài 1: Tìm x: a/ x + 456 = 98655 b/ x – 345 = 9886 c/ x : 24 = 352 d/ y × 123 = 44772 Bài 2: Tính chu vi và diện tích hình chữ nhật có chiều dài 18m và chiều rộng bằng 1/3 chiều dài.
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