Toán Lớp 6: Tính nhanh
a 5x7x77-7×60+49×25-75×42
20172017×2016-20162016×2017
100+98+96+…+2-99-97-95-…1
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Toán Lớp 6: Tính nhanh
a 5x7x77-7×60+49×25-75×42
20172017×2016-20162016×2017
100+98+96+…+2-99-97-95-…1
Comments ( 1 )
Mình gửi lại nha!
