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(P-28:7+200)X5=32000+3x10

Răspuns :

(P-28:7+200)x5=32030
P-28:7+200=6406
P-4=6206
P=6210
(P-4+200)x5=32 000+30
(P-4+200)x5=32 030
P=32 030:5-200+4
P=6406-200+4
P=6206+4
P=6210.

Proba:
(6210-4+200)x5=
(6206+200)x5=
6406x5=32 030.