[ ( 10 + 2 • 3 ) • 4 - 7 • 5 ] • 3 + 200 =
= [ ( 10 + 6 ) • 4 - 7 • 5 ] • 3 + 200 =
= [ ( 10 + 6 ) • 4 - 35 ] • 3 + 200 =
= ( 16 • 4 - 35 ) • 3 + 200 =
= ( 64 - 35 ) • 3 + 200 =
= 29 • 3 + 200 =
= 87 + 200 =
= 287
Răspuns : 287