co bao nhieu so co 2 chu soma hieu hai chu so cua no bang so le nho nhat co mot chu so
co tat ca bao nhieu so co hai chu so ma tong hai chu so cua moi so do bang 8?
co tat ca bao nhieu so co hai chu so ma hieu hai chu so cua moi so do bang 6?
co tat ca bao nhieu so co 2 chu so ma hieu cua 2 chu so bang 6
co bao nhieu so tu nhien co hai chu so ma chu so hang chuc nho hon chu so hang don vi
hay cho biet co tat ca bao nhieu so tu nhien co hai chu so nho hon 58
Co bao nhieu so co 3 chu so tron chuc ma hieu cua so hang tram va hang chuc bang 2?
co bao nhieu so co 2 chu so nho hon 50? Tra loi : co ...........nho hon 50
hay cho biet co tat ca bao nhieu so co hai chu so ma tong hai chu so cua so do khong be hon 15
hieu cua hai so la so lon nhat co 2 chu so ma tong 2 chu so cua no bang 12 so tru bang 7 vay so bi tru cua no la bao nhieu vay cac ban