Question

Calculați: 18×37-15×27
207+101×32
231+169-16×25
15+23+10×[107+43-(106-16×6)×10]
Va rog,urgent!​

Answer 1

Explicație pas cu pas:

207+101×32=

=207+3.232=

=3.439

231+169-16×25=

=231+169-400=

=400-400=

=0

15+23+10×[107+43-(106-16×6)×10]=

=15+23+10×[107+43-(106-96)×10]=

=15+23+10×(107+43-10×10)=

=15+23+10×(107+43-100)=

=15+23+10×(150-100)=

=15+23+10×50=

=15+23+500=

=38+500=

=538