This is a timed quiz.
You have 1 minute to complete the 4 questions in this quiz.
SUMATORIA DE 5+5
A:10
B:20
C:5
MULTIPLICACION DE 10*50
A:100
B:500
C:50
RESTA DE 100-50
A:5000
B:150
RESTA DE 5 -2
A:3
B:5
C:7