Question

5 Se dau numerele ajutor ​

Answer 1

Răspuns:

a)2+3×10-9×0=

=2+30-0

=32

b)8×5-4×9+2×1=

=40-36+2

=4-2

=2

c)12×2×10×0+2=

=24×10×0+2

=240×0+2

=0+2

=2

Calculează:

a-b×c=32-2×2=32-4=28

a-b+5×c=32-2+5×2=32-2+10=30+10=40

a-2×(b+c)=32-2×(2+2)=32-2×4=32-8=24