Question

Calcule o o valor de cada expressão a a)3.5 + 7.4 : 2=B)40+32-25+8=C)35.42=D)3.7+12.5=E)22_15+52.3=F)34_0,12=G)0,12×4=Obs:e pra hoje o deve prfv me ajuda

Answer 1

a) 3.5+7.4:2
     15+28:2
     15+14=29

b) 40+32-25+8
    72-33=39

c) 35.42=1470

d) 3.7+12.5=
     31+60=91

e) 22-15+52.3
     7+156=163

f) 34-0,12=33,88

g) 0,12.4= 0,48

Answer 2

a) 29
3 . 5 + 7 . 4 : 2 =
= 15 + 28 : 2 =
= 15 + 14 =
= 29

b) 39
40 + 32 - 25 + 8 =
= 72 - 33 =
= 39

c) 1.470
35 . 42 =
= 1.470

d) 81
3 . 7 + 12 . 5 =
= 21 + 60 =
= 81

e) 163
22 - 15 + 52 . 3 =
= 7 + 156 =
= 163

f) 33,88
34 - 0,12 =
= 33,88

g) 0,48
0,12 . 4 =
= 0,48