50+60+40+50+100+400+900+600
=(50+50)+(60+40)+(600+400)+(900+100)
=100+100+1000+1000
=220
tk minh nha
50+60+40+50+100+400+900+600
=(50+50)+(60+40)+(100+900)+(400+600)
=100+100+1000+1000
=100x2+1000x2
=200+2000
=2200
50 + 60 + 40 + 50 + 100 + 400 + 900 + 600
= (50 + 50) + (60 + 40) + (100 + 900) + (400 + 600)
= 100 + 100 + 1000 + 1000
= 200 + 2000
= 2200
\(50+60+40+50+100+400+900+600\)
\(=\left(50+50\right)+\left(60+40\right)+\left(100+900\right)+\left(400+600\right)\)
\(=100+100+1000+1000\)
\(=\left(100+100\right)+\left(1000+1000\right)\)
\(=200+2000\)
\(=2200\)
k mk mk k lại
2200
k mk mk k lai,kb luon nha
= ( 50 + 50 ) + ( 60 + 40 ) + ( 100 + 900 ) + ( 400 + 600 )
= 100 + 100 + 1000 + 1000
= 100x2 + 1000x2
= 200 + 2000
= 2200
k mk nha
50 + 60 + 40 + 50 + 100 + 400 + 900 + 600
= ( 50 + 50 ) + ( 60 + 40 ) + ( 100 + 900 ) + ( 400 + 600 )
= 100 + 100 + 1000 + 1000
= 100 X 2 + 1000 X 2
= 200 + 2000
= 2200
nhớ bấm đúng cho mình nhé! mình nhanh nhất đấy!
\(50+60+40+50+100+400+900+600\)
\(=\left(50+50\right)+\left(60+40\right)+\left(100+900\right)+\left(600+400\right)\)
\(=100+100+1000+1000\)
\(=100\times2+1000\times2\)
\(=200+2000\)
\(=2200\)
tk mk mk tk lại