a fost răspuns

B)
» (25:5+7x2):1+230-(8x2x1+9)=3
→ (7x5-6x4)+ (3x5-5x3)=
> 4x(5-2+3)+3x(9-4+2)+4x(1+2+4)=
> (28+2+30):10+729-(9x2)
Repede ​

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Răspuns :

Coco81ask

Răspuns:

(25:5+7x2):1+230-(8x2x1+9)=3

(5+14):1+230-(16x1+9)=3

19:1+230-(16+9)=3

19+230-25=3

249-25=3

224=3 fals

(7x5-6x4)+(3x5-5x3))

(35-24)+(15-15)

11+0=11

4x(5-2+3)+3x(9-4+2)+4x(1+2+4)

4x(3+3)+3x(5+2)+4x(3+4)

4x6+3x7+4x7

24+21+28

45+28=73

(28+2+30):10+729-(9x2)

(30+30):10+729-18

60:10+729-18

6+729-18

735-18=717

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