Toán Lớp 6: Tính nhanh
(-52) . (-281) + (-52) . 181
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Toán Lớp 6: Tính nhanh
(-52) . (-281) + (-52) . 181
Comments ( 2 )
(-52) xx ( -281 ) + ( -52 ) xx 181
= ( -52 ) xx [ ( -281 ) + ( 181 ) ]
= ( -52 ) xx ( -100)
= 5200