Question

Calculeaza in doua modurimoduri: (6+3)×9= (9+5)×10= 8×(13-7= (16-7)×4=

Answer 1

(6+3)x9=
6x9+3x9=
54+27=81

18x9=81


(9+5)x10=
9x10+5x10=
90+50=140

14x10=140


8x(13-7)=
8x13-8x7=
104-56=48

8x6=48



(16-7)x4=
16x4-7x4=
64-28=36

9x4=36

8x