Question

12 x 2 + 18 = ?

tính bằng cách thuận tiện

Answer 1

12 x 2 + 18 = ?

= 8 x 3 + 18

= 8 x 3 + 6 x 3

= 3 x { 8 + 6 }

= 3 x 14

= 42

Answer 2

12 x 2 + 18 = 

= 24 + 18 

= 42

ai k mik mik sẽ k lại nha !

Answer 3

12 x 2 + 18 = ?

= 8 x 3 + 18

= 8 x 3 + 6 x 3

= 3 x { 8 + 6 }

= 3 x 14

= 42

Trong nhóm tích nha 

Answer 4

(12+18)x2=40

Answer 5

12 x 2 + 18

= 8 x 3 + 18

= 8 x 3 + 6 x 3

= 3 x ( 8 + 6 )

= 3 x14

= 42

Answer 6

(12+18)x2=40

Answer 7

12 x 2 + 18

=6 x 2 x 2 + 6 x 3

=6 x 4 + 6 x 3

=6 x (4+3)

=6 x 7

=42

Answer 8

12x2+18

=6x2x2+6x3

=6x4+6x3

=6x7 =42

Answer 9

12x2+12

=8x3+18

=8x3+6x3

=3x(8+6)

=3x14

=42

k mk nha

Answer 10

12x2+18

=8x3+18

=8x3+6x3

=( 8+6)x3

=42

nghe

Answer 11

12*2+18=24+18=42

Answer 12

12x2+18

=  24 +18

=42

Answer 13

12 x 2 + 18

= 8 x 3 + 18

= 8 x 3 + 6 x 3

= 3 x ( 8 + 6 )

= 3 x 14

= 42

Answer 14

12 x 2 + 18

= 8 x 3 + 18

= 8 x 3 + 6 x 3

= 3 x ( 8 + 6 )

= 3 x 14

= 42

Answer 15

12 x 2 + 18 = ?

= 8 x 3 + 18

= 8 x 3 + 6 x 3

= 3 x { 8 + 6 }

= 3 x 14

= 42