Bonjour;
A= 20/15 = 4/3
B= 42/21 =2
C= 3*7/7 +20/7 = 21/7 +20/7 = 41/7
D= 2*9/9 -5/9 = 18/9 -5/9 = 15/9 = 5/3
E = 30/100+63/100 = 93/100
F= 22/15 - 4/3*5/5 = 22/15 -20/15 = 2/15
G = 25/3*4/4 -64/12 = 100/12 -64/12 = 36/12 = 3
H = 26/21 +3/7*3/3 = 26/21 +9/21 = 35/21 = 5/3
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Bonjour;
A= 20/15 = 4/3
B= 42/21 =2
C= 3*7/7 +20/7 = 21/7 +20/7 = 41/7
D= 2*9/9 -5/9 = 18/9 -5/9 = 15/9 = 5/3
E = 30/100+63/100 = 93/100
F= 22/15 - 4/3*5/5 = 22/15 -20/15 = 2/15
G = 25/3*4/4 -64/12 = 100/12 -64/12 = 36/12 = 3
H = 26/21 +3/7*3/3 = 26/21 +9/21 = 35/21 = 5/3