Question

2) Arme, efetue e tire a prova.
a) 453 + 789
b) 7689 + 1024
c) 907 + 674
d) 897 + 300
e) 45 x 3
56 x 8
g) 96 x 7
h) 108 x 9​

Answer 1

a)453+789=1,242.

1,242-789=453

b)7689+1024=8,713.

8713-1024=7689

c)907+674=1,581.

1581−674=907

d)897+300=1,197.

1,197-300=897

e)45×3=135.

135÷3=45

f)56×8=448.

448÷8=56

g)96×7=672.

672÷7=96

h)108×9=972.

972÷9=9

Espero ter ajudado