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calculeaza 0+{[(1+2×3)×4-5]×6+7}÷5+9

Răspuns :

0+{[(1+2×3)×4-5]+7}÷5+9=
0+[(7×4-5)+7]÷5+9=
0+(28-5+7)÷5+9=
0+30÷5+9=
0+6+9=15

=0+{[(1+6)x4-5]x6+7}:5+9
=0+[(7x4-5)x6+7]:5+9
=0+[(28-5)x6+7]:5+9
=0+(33x6+7):5+9
=0+(198+7):5+9
=0+205:5+9
=0+41+9
=41+9
=50