hirondelle52

Verified answer

Bonjour,

a)

2( 80 + 14 )

= 160 +28

= > 188cm

b)

9,5 *4

=> 38 dm

c)

2,3 *2 + 4

= 4,6+4

=> 8,6mm

d)

35*4

= >140dam

e)

2pir

2*3,14* 6

= 37,68 cm => 37, 7cm