Question

1) Resolva as adições e subtrações:

a) 7,48 - 4,3=





b) 43- 7, 64



c) - 3/4+(-7/8)=




d) 3/5+0,44=



e) 21/3-(-18/9)=





Socorrooooooooooooooo
ajudaaaaaaaaaaa quero calculado

​

Answer 1

a) 7,48 - 4,3 = 3,18

b) 43 - 7,64 = 35,36

c) -3/4+(-7/8) = -3/4-7/8 = -6/8-7/8 = -11/8

d) 3/5+0,44 = 0,6+0,44 = 1,04

e) 21/3-(-18/9) = 21/3+18/9 = 63/9+18/9 = 81/9 = 9