Question

calcule o valor das expressões.

a) 2/5+1/2-1/3
b) 3/4×5/6+1/2
c) 2/3+1/4×3
d) 3/4÷1/2-2/3
e) 3/5+1/5÷1/10
f) 2 1/2+3/2×1/2

pfv com cauculo urgente

Answer 1

a) 2/5+1/2-1/3
10+2-3
=9

b)3/4x5/6+1/2
16x30+2
=38

c)2/3+1/4x3
6+4x3
=30

d)3/4:1/2-1/3
12:2-3
6-3
=3

e)3/5+1/5:1/10
15+5:10
20:10
=2

f)2 1/2+3/2+1/2
2.2+6+2
4+6+2
=12