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\(18\times\left(82-147\right)-82\times\left(18+147\right)\)
\(=18\times82-18\times147-82\times18-82\times147\)
\(=\left(18\times82-82\times18\right)-147\times\left(18+82\right)\)
\(=-147\times100\)
\(=-14700\)
\(18\times\left(82-147\right)-82\times\left(18+147\right)\))
=\(18\times82-147\times18-18\times82-147\times82\)
=\(-147\times\left(82+18\right)\)
=\(-147\times100\)
=\(-14700\)
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-25.(35+147)+35.(25+147)
= -25.35 + (-25).147 + 35.25 + 35.147
= 35.(-25+25) + 147.(-25+35)
= 35.0 + 147.10
= 0+1470
=1470
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3972×(3962-147)-3962×(3972-147)
= 3972 x 3962 - 147 - 3962 x 3972 - 147
= 147 x [(3972-3972)-(3962-3962)]
= 147 x [ 0 - 0 ]
= 147 x 0
= 0
#Hok_tốt
3972 x (3962 - 147) - 3962 x (3962 - 147)
= 3962 x 3962 - 3962 x 147 - 3962 x 3962 - 3962 - 147
= (3962 x 3962 - 3962 x 3962 ) - (3962 x 147 - 3962 x 147)
= 0 - 0
= 0.
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=-25 . 35 - 25 . 147 + 35 . 25 + 35 . 147
=-25 . 35 + 35 . 25 + 35 . 147 - 25 . 147
= 0 + 147 (35-25)
=0 + 147 . 10
= 0 + 1470= 1470
-25.(35 + 147) + 35.(25 + 147)
= -25.182 + 35.172
= -25.(10 + 172) + 37.172
= -25.10 + (-25).172 + 37.172
= -250 + 172.( -25 + 37)
=-250 + 172. 12
=-250 + 2064
=1814
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135 . (-12 + 147) - 147 . (135 - 12)
= 135 . (-12) + 135 . 147 - 147 . 135 - 147 . (-12)
= [(135 . 147) - (147 . 135)] + (-12) . (135 - 147)
= (-12) . (-12) = 144
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=-25*35+(-25)*147+35*25+35*147
=-25*35+35*25+(-25)*147+35*147
=147*(-25+35)
=147*10
=1470
-25x[35+147]+35x[25+147]
= [-25+25]x[35+35]+[147+147]
=0x70+294
=0+294
=294
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900 + (-100) mà lại bằng -1000 phải bằng 800 chứ