Sagot :
Bonsoir,
22
a) = —
21
27
b) = —
20
7 x 2 3 14 3 17
c) = ——— + — = — + — = —
5 x 2 10 10 10 10
21
d) = —
50
22
a) = —
21
27
b) = —
20
7 x 2 3 14 3 17
c) = ——— + — = — + — = —
5 x 2 10 10 10 10
21
d) = —
50
Bonsoir,
a) 11/3*2/7=11*2/3*7=22/21
b) 9/5*3/4=9*3/5*4=27/20
c) 7/5+3/10=7*2/5*2+3/10=14/10+3/10=14+3/10
=17/10
d) 7/5*3/10=7*3/5*10=21/50
Bonne soirée.
a) 11/3*2/7=11*2/3*7=22/21
b) 9/5*3/4=9*3/5*4=27/20
c) 7/5+3/10=7*2/5*2+3/10=14/10+3/10=14+3/10
=17/10
d) 7/5*3/10=7*3/5*10=21/50
Bonne soirée.