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26+(5*8-63:7+9*8)-100=

Răspuns :

=26 + ( 40 - 9 + 72 ) - 100
= 26 + ( 31 +72) - 100
= 26 +103 - 100
= 129 - 100
= 29.
26+(40-9+72)-100=
26+(31+72)-100=
26+103-100=
129-100=29