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Ana123478
a fost răspuns

Vă rog dau coroana
ex 6 .Calculeaza

Vă Rog Dau Coroanaex 6 Calculeaza class=

Răspuns :

Slavitescudora
a) 3/5×5/6=1/3
b) 9/7×49/27=7/3
c) 2/3×9/4=3/2
d) 8/27×3/16=1/18
Rodi11
6)
a) 3/5:6/5=
=3/5×5/6=
=1×1 totul supra /1×2=
=1/2

b) 9/7:27/49=
=9/7×49/27=
=1×7 totul supra /1×3=
=7/3

c) 2/3:4/9=
=2/3×9/4=
=1×3totul supra/1×2=
=3/2

d) 8/27:16/3=
=8/27 ×3/16 =
=1×1 totul supra /9×2=
=1/18