= 37 x 2 x 19 - 74 x 19 + 1000
= 74 x 19 - 74 x 19 + 1000
= 1000
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27 x 38 - 74 x 19 + 1000
= 27 x ( 2 x 19) - 74 x 19 + 1000
= 74 x 19 - 74 x 19 + 1000
=74 x ( 19 - 19) + 1000
= 74 x 0 + 1000
= 0+ 1000
\(37\times38-74\times19+1000\)
\(=37\times19\times2-37\times2\times19+1000\)
\(=1000\)
37 x 38 - 74 x 19 +1000
=37 x 19 x 2 - 37 x 2 x 19 +1000
=1000
~Study well~ :)
#) Trả lời :
37 . 38 - 74 . 19 + 1000
= 37 . 19 . 2 - 37 . 2 . 19 + 1000
= 1000
~ Học tốt nha ~
