Toán Lớp 6: 17. [29 – (- 111)] + 29. (-17)
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Toán Lớp 6: 17. [29 – (- 111)] + 29. (-17)
Comments ( 2 )
17 . [29 – (-111)] + 29 . (-17)
= 17 . 29 – 17 . (-111) + (-29) . 17
= 17 . [29 – (-111) + (-29)]
= 17 . 111
= 1887
#dtkc
17. [ 29 – ( -111 ) ] + 29. ( -17 )
= 17. [ 29 + 111 ] + ( -29 ). 17
= 17. ( 29 + 111 – 29 )
= 17. 111
= 1887