Question

Calculează.
la I 5
b 9
I
I 3
4
8
T 2
6
5
3
6
2
7 8
4 19
7
a
b
ax 5
5 xb
axa
a
x b​

Answer 1

Răspuns:

5x5=25

4x4=16

3x3=9

2x2=4

9x5=45

4x8=32

3x7=21

2x6=12

5x5=25

6x5=30

7x5=35

8x5=40

5x3=15

5x2=10

5x4=20

9x5=45

Answer 2

Răspuns:

5×5=25,9×5=45,4×4=16,4×8=32,3×3=9,3×7=21,2×2=4,2×6=12,5×5=25,5×3=15'6×5=30,5×2=10,7×5=35,5×4=20,8×5=40,5×9=45.