Question

120 x 13 + 120 x 87 - 120 x 10 =

Answer 1

120 x 13 + 120 x 87 - 120 x 10 = ?

= 120 x { 13 + 87 - 10 }

= 120 x  90

= 10800

Answer 2

120 x 13 + 120 x 87 - 120 x 10

= 120 x ( 13 + 87 - 10 )

= 120 x 90

= 10 800

Answer 3

120 x 13 + 120 x 87 - 120 x 10

= 120 x ( 13 + 87 - 10 )

= 120 x 90

= 10800

Answer 4

120 x 13 + 120 x 87 - 120 x 10 

= 120 x ( 13 + 87 - 10 )

= 120 x 90 

= 10800

Answer 5

120 x 13 +120 x 87 - 120 x 10

= 120 x ( 13 + 87 - 10 )

= 120 x 90

= 10800

Answer 6

120 x 13 + 120 x 87 - 120 x 10

= 120 x ( 13 + 87 - 10 )

= 120 x 90

= 10800

Answer 7

10800

Answer 8

120 x 13 + 120 x 87 - 120 x 10 = 1560 + 120 x 87 - 120 x 10

                                              = 1560 + 10440 - 120 x 10

                                              = 1560 + 10440 - 1200

                                              = 12000 - 1200

                                              =  10800

Answer 9

Số cần tìm:

120 x 13 + 120 x 87 - 120 x 10 = 10 800

Đáp số: 10 800