Question

94. Calcula: - a. 43 + (-52) b. -33 + (-12) C. – 3 + 28 e. -83 + 77 d. 93 + (-72) f. -19 +(-215) -​

Answer 1

Respuesta:

a)43−52

=43+−52

=−9

b)−33−12

=−33+−12

=−45

c)−3+28

=−3+28

=25

e)−83+77

=−83+77

=−6

d)93−72

=93+−72

=21

f)−19−215

=−19+−215

=−234