Oblicz :
a) *4-2 =...
b) 1-()
=...
c) 1+/
=...
d)(0,6+0,9)/3 =...
e)10*(0,5+) =...
f)0,3+0,5*4 =...
g)*
-0,5*0,75 =...
h)(1-(0,1))/9 =...
i) (0,1+0,1*15)*10 =...
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13
12,9
4,6
6,9
14,2
2,2
4,6
7,8
21,1
a) *4-2 =2-2=0
b) 1-() =1-(9/16)=16/16-9/16=17/16
c) 1+/ =1+3/7·7/1=1+3=4
d)(0,6+0,9)/3 =1,5/3=0,5
e)10*(0,5+) =10·(1/2+1/4)=10·3/4=10·0,75=7,5
f)0,3+0,5*4 =0,3+2=2,3
g)*-0,5*0,75 =3/8-0,375=3/8-3/8=0
h)(1-(0,1))/9 =(1-0,01)/9=0,99/9=0,11
i) (0,1+0,1*15)*10 =(0,1+1,5)·10=1,6·10=16