Răspuns:
a) 10·[36·3-5·(72-12·5)]=
=10·[108-5·(72-60)]=
=10·(108-5·12)=
=10·(108-60)=
=10·48=
=480
b) nu se vede in poza
c)[44·5+9·(87-19·3)]·10=
=[44·5+9·(87-57)]·10=
=(44·5+9·30)·10=
=(220+270)·10=
=490·10=
=4900
c)10·[65·6-(35·4-40)·3]=
=10·[65·6-(140-40)·3]=
=10·(65·6-100·3)=
=10·(390-300)=
=10·90=
=900
Explicație pas cu pas:
