Question

90*10-10=

Answer 1

nhân chia trước cộng trừ sau

=> 90*10_10=900-10=890

Answer 2

90x10-10=900-10

             =890

Answer 3

890 nhé bạn

Answer 4

90x10-10=900-100

              =890

Answer 5

890 tích nha

Answer 6

90*10-10

cách 1:

90*10

=900-10

=890

cách 2:

10-10

=90*0

=0

Answer 7

90x10-10=900-10=890

Answer 8

90*10-10=900-10=890

ĐS 890

Answer 9

90x10-10=890

Answer 10

90x10-10=900-10=890

Answer 11

890 bạn nhé !