Question

2000+9000+7000+3000=

Answer 1

2000  +  9000  +  7000  +  3000  =  21000

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Answer 2

2000+9000+7000+3000

=11000+(7000+3000)

=11000+10000

=21000

Answer 3

2000 + 9000 + 7000 + 3000

= 11000 + 10000

= 21000

k mik nha bn

Answer 4

2000 + 9000 + 7000 + 3000 = 21000

Answer 5

2000+9000+3000+7000=21000

k mk nha

Answer 6

2000+9000+7000+3000=11000+7000+3000=18000+3000=21000

ĐS: 21000

Answer 7

2000 + 9000 + 7000 + 3000 = 21 000

Answer 8

2000+9000+7000+3000=21000

Answer 9

21 000