Bonsoir,
E=-7/5÷(6+1/5)
E=-7/5÷(30/5+1/5)
E=-7/5÷31/5
E=-7/5*5/31
E=-7/31
F=3/4÷7/8-3/7
F=3/4*8/7-3/7
F=6/7-3/7
F=3/7
G=(3/2-1/4)÷(2-1/2)
G=(6/4-1/4)÷(4/2-1/2)
G=5/4÷3/2
G=5/4*2/3
G=10/12
G=5/6
Bonsoir c'est si simple que tu le penses
=-7/5÷31/5
=-7/5*5/31
=-7/31
=3/4*8/7-3/7
=6/7-3/7
=3/7
=(6/4-1/4)÷(4/2-1/2)
=5/4÷3/2
=5/4*2/3
=10/12
=5/6
Bonne soirée
