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[12×15-(2⁴×5⁴-98²)÷2²÷3²]÷13​

Răspuns :

Răspuns:

[12×15-(2⁴×5⁴-98²)÷2²÷3²]÷13=

[12×15-(16×625-9604):4:9]:13=

[12×15-(10000-9604):4:9]:13=

(12×15-396:4:9):13=

(180-99:9) :13=

(180-11) :13=

169:13=

=13