Question

Calculează:8×7+3×7= 5×8+4×4= 6×8+7×6= 9×6+8×9= 9×9-4×3= 7×9-2×8= 6×3-3×3= 9×6-4×7= 5+9-6×2= 3+8-2×3= 10-3-2×2= 10-1×2+2=

Answer 1

8*7+3*7=77

5*8+4*4=56

6*8+7*6=90

9*6+8*9=126

9*9-4*3=69

7*9-2*8=47

6*3-3*3=9

9*6-4*7=26

5+9-6*2=2

3+8-2*3=5

10-3-2*2=3

10-1*2+2=10