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Hỏi từ APP VIETJACK
3 khối lớp tham gia kế hoạch nhỏ. Khối lớp 4 thu đc 126kg giấy vụng, khối lớp 3 thu đc 111kg và khối lớp 5 thu đc gấp đôi số kg giấy vụng của khối lớp 4. Hỏi TB mỗi lớp thu đc bao nhiêu kg giấy vụng
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2 câu trả lời 761
Khối lớp 5 thu được số giấy vụn là:
126x2=252(kg)
Trung bình mỗi lớp thu được số giấy là:
(126+111+252):3=163(kg)
DS: 163 kg
Mai Đức Anh
· 3 năm trước
Khối lớp 5 thu được số giấy vụn là:
Mai Đức Anh
· 3 năm trước
126x2=252(kg)
Mai Đức Anh
· 3 năm trước
Khối lớp 5 thu được số giấy vụn là: 126x2=252(kg) Trung bình mỗi lớp thu được số giấy là: (126+111+252):3=163(kg) DS: 163 kg
3 năm trước
Khối 5 thu được số giấy vụn là:
126x2= 252 ( kg)
Tổng số giấy thu được là:
126+111+252=489 (kg)
Trung bình mỗi khối thu được số giấy vụn là:
489:3=163 (kg)
Đáp số: 163 kg
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