👤
a fost răspuns

(-3intreg si 1\3-2intreg si 2\3)x(-3intreg si 3\4)=si1,8x2\9+1,8:2\9 =

Răspuns :

Rapunzel15
-3 1/3=-3×3+1/3=-9+1/3=-8/3
-2 2/3=-2×3+2/3=-6+2/3=-4/3
-3 3/4=-3×4+3/4=-12+3/4=-9/4
-8/3-(-4/3)×(-9/4)=-8/3+4/3×9/4=
=-8/3+3=-8+9/3= 1/3



1,8×2/9+1,8:2/9=
18/10×2/9+18/10×9/2=
2/5+81/10=4+81/10=
=85/10=
=8,5