AR1642
Answered

1) 3*(2*a + 3*b) =

2) 3*x + 5*a*b + 8 =

3) x + 7*a + π*(R+3) =

4) b*x + (3*4 + 2*b)*7 =

Merci d'avance​

Sagot :

Bonjour,

1) 3*(2*a + 3*b) =

6a +9b

2) 3*x + 5*a*b + 8 =

3x + 5ab +8

3) x + 7*a + π*(R+3) =

x +7a + πR +3π

4) b*x + (3*4 + 2*b)*7 =

bx +( 12+2b )*7

= bx + 84 +14b