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Calculează:a)420-99:3+(79-54)*6=.b)1200-(24*7+96:4-150:3)*8=

Răspuns :

a)420-33+25*6=
=387+150
=537

b)1200-(168+24-50)*8
=1200-(192-50)*8
=1200-142*8
=1200-1136
=64
a)420-33+25x6=
420-33+150
387+150=537
b)1200-(168+26-50)x8
1200-(192-50)x8
1200-142x8=1200-1136=64