Question

a=9x7:7 b=(9:3)x3 calculeaza axb= a:b= (a:b)xa= (axb):b=

Answer 1

A=9x7:7=9x1=9
B=(9:3)x3=3x3=9

AxB=9x9=81
A:B=9:9=1
(A:B)xA=(9:9)x9=1x9=9
(AxB):B=(9x9):9=81:9=9

Answer 2

A=9×7÷7
A=63÷7
A=9
B=(9÷3)×3
B=3×3
B=9

A×B=9×9
A×B=81

A÷B=9÷9
A×B=1

(A÷B)×A=(9÷9)×9
(A÷B)×A=1×9
(A÷B)×A=9

(A×B)÷B=(9×9)÷9
(A×B)÷B=81÷9
(A×B)÷B=9

Sper ca te-am ajutat!!!!