👤

(9×7+5)×10:2-(2+2×20:4×3+213:3)=​

Răspuns :

(9x7+5)x10:2-(2+2x20:4x3+213:3)=237

=68x10:2-(2+40:4x3+213:3)

=68x10:2-(2+10x3+213:3)

=68x10:2-(2+30+213:3)

=68x10:2-(2+30+71)

=68x10:2-103

=680:2-103

=340-103

=237