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Efectuati:
8- {10,46- [2,1+(4,42-2,4)·10]:5}


Răspuns :

=8-;[10,46-(2,1+2,02-10)] =8-(10,46-3,12)=7,34-8=7,26
8-{10,46-[2,1+(4,42-2,4)x10]:5}=
8-{10,46-[(2,1+2.02)x10]:5}=
8-[10,46-(4.12x10):5]=
8-(10.46-41,2:5)=
8-(10,46-8,24)=
8-2,22=5,78