Question

Cum se calculati cat mai simplu 32*90+20*13-26*5

Answer 1

32×90+20×13-26×5 =

= 32×90+10×26-26×5

= 32×90+26×(10-5)

= 32×90+26×5

= 2880+130

= 3010

Answer 2

Răspuns:

3010

Explicație pas cu pas:

32·90+20·13-26·5=

= 32·(100-10)+10·2·13-13·2·5=

=32·100-32·10+10·26-13·10=

=3200-320 + 10(26-13)=

=2880+10·13=

=2880+130=

=3010