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525-32×12+4×(625-(320+13×21)]=

Răspuns :

525 - 32 × 12 + 4 × [ 625 - ( 320 + 13 × 21 ) ] =

525 - 384 + 4 × [ 625 - ( 320 + 273 ) ] =

141 + 4 × ( 625 - 593 ) =

141 + 4 × 32 =

141 + 128 = 269

525-448+4×(625-593)=

=77+4×32=

=77+128

=205