Question

Repede pls?1?1?1!?!??!?​

Answer 1

Răspuns:

Explicație pas cu pas:

a.

12²-3³+2³=144-27+8=125

b.

8×9+1×121-1=72+121-1=192

c.

1+{2[3×9-6+56]-9}=1+[2(27-6+56)-9]=1+(2×77+56-9)=1+154+56-9=210

d.

9{[8+7×11×4-3]}+2=9(8+308-3)+2=9×312+2=2808+2=2810

]