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ajutor dau 34 puncte ex a d

Ajutor Dau 34 Puncte Ex A D class=

Răspuns :

a) 3×3+3×[3+2×(15-3):3]=
=9+3×(3+2×12:3)=
=9+3×(3+24:3)=
=9+3×(3+8)=
=9+3×11=
=9+33=
=42

d) 11+3[2+3×(2×3-5)]+14=
=11+3[2+3×(6-5)]+14=
=
11+3(2+3×1)+14=
=
11+3(2+3)+14=
=
11+3×5+14=
=11+15+14=
=26+14=
=40
a.)3•3+3•[3+2•(15-3):3]=3•3+3•(3+2•12:3)=3•3+3•(3+24:3)=3•3+3•(3+8)=3•3+3•11=9+33=42. d.)11+3•[2+3•(2•3-5)]+14= 11+3•[2+3•(6-5)]+14=11+3•(2+3•1)+14=11+3•(2+3)+14=11+3•5+14=11+15+14=26+14=40. __Sper ca te-am ajutat!!__