a fost răspuns

Calculati a). 15/7×1/18......b).1/9×3/10 .. ..c).4/5×9/8..d)..7/8×2/31....e).9/43×5/21....f).7/45×15/28...g).7/23×11/9...h).1/14×49/26

Răspuns :

A)15/7•1/18 simplificam 5/7•1/6=5/42
b)1/9•3/10 simplificam 1/3•1/10=1/30
c)4/5•9/8 simplificam 1/5•9/2=9/10
d)7/8•2/31 simplificam 7/4•1/31 =7/124
e)9/43•5/21 simplificam 3/43•5/7=14/301
f)7/45•15/28 simplificam 1/3•1/4=1/12
g)7/23•11/9 =77/207
h)1/14•49/26 simplificam 1/2•7/26=7/52


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