April 2021 1 33 Report
3. Resuelve las operaciones combinadas.
A.2 500 + 3 500 - 400 + 600 - 1200
B. 50 - 2 x 10 + 3 x 5
C. 2 x 30 - 5 x 10
D. (30 + 20) x (40 - 30) + 10



plis es para hoyyy doy corona​

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