calculer et donner le résultat sous la forme d'une fraction la plus simple possible
F=7/4+3/20
G=3/8*(3/5-7/15)
H=5/3+1/3*7/2
I=3/4*8/9-7/15
calculer et donner le résultat sous la forme d'une fraction la plus simple possible
F=7/4+3/20
G=3/8*(3/5-7/15)
H=5/3+1/3*7/2
I=3/4*8/9-7/15
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=7*5/4*5+3/20
=35/20+3/20
=38/20
=19/10
g=3/8*2/15
=6/125
h=5/3+1/3*7/2
=5/3+7/6
=10/6+7/6
=17/6
i=3/4*8/9-7/15
=24/36-7/15
=360/540-252/540
=108/540
=9/45
=1/5
G = 3/8 * (3/5-7/15) = 3/8 * (9/15-7/15) = 3/8 * 2/15 = 6/120 = 1/20
H = 5/3 + 1/3 * 7/2 = 5/3 + 7/6 = 10/6 +7/6 = 17/6
I = 3/4 * 8/9 -7/15 = 24/36 - 7/15 = 360/540-252/540=108/540=1/5