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1.Calculati: a. 263+78+322+37 b.22+3*[4+3*(15*4-16*3)+8]

Răspuns :

Răspuns:

a. 263+78+322+37=(263+37)+(78+322)=200+400=600

b. 22+3*[4+3*(15*4-16*3)+8]=22+3*[4+3*(60-48)+8]=22+3*[4+3*12+8]=22+3*[4+36+8]=22+3*48=22+144=166

Răspuns:

a.263+78+322+37=700

b.22+3×[4+3×(15×4-16×3)+8]=

22+3(4+3(60-48)+8)

22+3(4+3×12+8)

2222+3(4+36+8)

22+3×48

22+144

=166