Toán Lớp 3: Tính nhanh nhé 🙂
82 + 91 + 78 + 69 = ??
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Toán Lớp 3: Tính nhanh nhé 🙂
82 + 91 + 78 + 69 = ??
Comments ( 2 )
Tính nhanh
82+91+78+69
=(82+78)+(91+69)
=160+160
=320