Question

Efectueaza a) 7+3×[23+5×(8+66:6(], b) 91+56:2+33×(156-12×13), c) [200-200:(75-25)] :4,d) 1000×[105:5+32:(22-6×3)] e) (1+2+3)la4+5×6×(7+8+9), f) 0la1+1la0+2la3-3la2+4la5+5la4-349,g) (2la2×3la3-5la2):11+3la2×7la2-4la2,h) (5la0+5la1+5la2+5la3+5la4):(71×5+6×71).

Answer 1

Răspuns:

a)7+3×[23+5×(8+66:6)]=

7+3×[23+5×(8+11)]=

7+3×[23+5×19]=

7+3×[23+95]=

7+3×118=

7+354=

=361

b)91+56:2+33×(156-12×13)=

91+28+33×(156-156)=

91+28+33×0=

91+28+0=

119

c)[200-200:(75-25)]:4=

[200-200:50]:4=

[200-4]:4=

196:4=

=49

d)1000×[105:5+32:(22-6×3)]=

1000×[21+32:(22-18)]=

1000×[21+32:4]=

1000×[21+8]=

1000×29=

=29000