1000 +9000 +2000+8000+3000+7000+4000+6000+5000+5000
= 10000+10000+10000+10000+10000
=50000
k nhá !
1000+2000+3000+4000+5000+6000+7000+8000+9000+5000
DÁP ÁN:=50000
nha bn
1000 + 2000 + 3000 + 4000 + 5000 + 6000 + 7000 + 8000 + 9000 + 5000
= ( 1000 + 9000 ) + ( 2000 + 8000 ) + ( 3000 + 7000 ) + ( 4000 + 6000 ) + ( 5000 + 5000 )
= 10000 + 10000 + 10000 + 10000 + 10000
= 10000 x 5
= 50000
1000+2000+3000+4000+5000+6000+7000+8000+9000+5000
=1000+9000+2000+8000+3000+7000+4000+6000+5000+5000
=10000+10000+10000+10000+10000
=50000
1000 + 2000 + 3000 + 4000 + 5000 + 6000 + 7000 + 8000+ 9000 + 5000
=(1000+9000) + (2000+8000) + (3000+7000) + (4000+6000) + (5000+5000)
=10000+10000+10000+10000+10000
=10000x5
=50000
=(1000+9000)+(2000+8000)+(3000+7000)+(4000+6000)+(5000+5000)
=5 SỐ 10000 CỘNG VỚI NHAU =50000
1000+2000+3000+4000+5000+6000+7000+8000+9000+5000=50000
1000 + 2000 + 3000 + 4000 + 5000 + 6000 + 7000 + 8000 + 9000 + 5000
= (1000 + 9000) + (2000 + 8000) + (3000 + 7000) + (4000 + 6000) + (5000 + 5000)
= 10000 + 10000 + 10000 + 10000 + 10000
= 10000 x 5
= 50000
_Chúc bạn học tốt_
1000 + 2000 + 3000 + 4000 + 5000 + 6000 + 7000 + 8000 + 9000 + 5000 = 50000
= ( 1k + 9k ) + ( 2k + 8k ) + ( 3k + 7k ) + ( 4k + 6k ) + ( 5k + 5k )
= 10k + 10k + 10k + 10k + 10k
= 50k
k là nghìn nhé bạn