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Ai???💗
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0
2023-07-30 20:58:39
đọc lại đầu bài ạ
2023-07-30 20:57:18
b5. Chiều dài mảnh đất hình chữ nhật là : ( 88+8 ) : 2 = 48 m
Chiều rộng mảnh đất là : 48-8 = 40 m
Diện tích của mảnh đất là : 40 x 48 = 1920 m2
b6 Nửa chu vi là : 88 : 2 = 44 m
" tính chiều dài, chiều rộng như công thức trên "
Lớp 5 rồi nên dạng bài này cần ôn kĩ hơn nhé
học vv =))
2023-07-30 20:40:06