Question

calculează: vă rog frumos ​

Answer 1

Explicație pas cu pas:

1. 8x7+3x7=83

=56+27

= 83

2. 5x8+4x4=56

=40+16

=56

3. 6x8+7x6=90

=48+42

=90

4. 9x6+8x9=136

=54+72

= 136

5. 9x9-4x3=69

=81-12

=69

6. 7×9-2×8=47

=63-16

=47

7. 6×3-3×3=9

=18-9

=9

8. 9×6-4×7=26

=54-28

=26

9. 5+9-6×2=2

=14-12

=2

10. 3+8-2×3=7

=11-6

=7

11. 10-3-2×2=3

=7-4

=3

12. 10-1×2+2=36

=9×4

=36