CHARLINETOCHON180508
Answered

calcul détaillé
•4/3÷-2/7
•2/5+8/5×1/3
•(4/3-2)÷(5/7+2/5)​

Sagot :

HIRONDELLE52

Bonjour!!

•4/3÷-2/7

=4/3* -7/2

= -28/6

= - 14/3

•2/5+8/5×1/3

= 2/5 + 8/15

= 6/15 +8/15

= 14/15

•(4/3-2)÷(5/7+2/5)​

=(4/3- 6/3) / (- 25/35+ 14/35)

= -2/3 / -11/35

= -2/3 * -35/11

= 70/ 33