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250 x 15 + 250 x 50 + 250 x 35.
= 250 x ( 15 + 50 + 35 ).
= 250 x 100
= 25000.
k mik nha!!
#Học tốt.
\(250\times15+250\times50+250\times35\)
\(=250\times\left(15+50+35\right)\)
\(=250\times100\)
\(=25000\)
#hoktot<3#
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a) \(250 + 250 × 2 = 250 + 500 = 750 \\ (250 + 250) × 2 = 500 × 2 = 1 000\)
b)\( 750 – 50 × 5 = 750 – 250 = 500\\
(750 – 50) × 5 = 700 × 5 = 3 500\)
c) \(210 × 4 – 4 × 210 = 840 – 840 = 0\\
3 × (270 : 9) × 0 = 0\)
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x:1,2+x:1,3=250
x: (1,2+1,3)=250
x: 2,5=250
x=250x2,5
x=625
Vậy x= 625
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=(8*125)*2019-(125*4)*2018
=1000*2019-1000*2018
=1000*(2019-2018)=1000*1=1000
8 x 2019 x125 - 250 x 2018 x 4
= ( 8x 125) - ( 250x 4)x 125
=1000-1000 x 125
0 x 125
= 0
mk chẳng bt đúng ko nữa
x + 250 = 250 x 4
x+250=1000
x=1000-250
x=750
tk nha bạn
thank you bạn
x + 250 = 250 x 4
x + 250 = 1000
x = 1000 - 250
x = 750