Question

120+3. {2.3.40+ 7.[9.2-2.(3.6-3-6)+10]-40}-9​

Answer 1

Răspuns:

  120 + 3 · {2 · 3 · 40 + 7 · [9 · 2 - 2 · (3 · 6 - 3 - 6) + 10] - 40} - 9 =

= 120 + 3 · {240 + 7 · [18 - 2 · (18 - 9) + 10] - 40} - 9 =

= 120 + 3 · [240 + 7 · (18 - 2 · 9 + 10) - 40] - 9=

= 120 + 3 · (240 + 7 · 10 - 40) - 9 =

= 120 + 3 · (200 + 70) - 9 =

= 120 + 3 · 270 - 9 =

= 111 + 810 =

= 921

Explicație:

Answer 2

Explicație:

ღSalutare!ღ

120+3×{2×3×40+7×[9×2-2×(3×6-3-6)+10]-40}-9=

=120+3×{6×40+7×[18-2×(18-3-6)+10]-40}-9=

=120+3×{240+7×[18-2×(15-6)+10]-40}-9=

=120+3×[240+7×(18-2×9+10)-40]-9=

=120+3×[240+7×(18-18+10)-40]-9=

=120+3×[240+7×(0+10)-40]-9=

=120+3×(240+7×10-40)-9=

=120+3×(240+70-40)-9=

=120+3×(310-40)-9=

=120+3×270-9=

=120+810-9=

=930-9=

=921

Succes!!;)