Oblicz: a)5*7+19/10
b)6*7-3/3
c)14-9/6+9*3
d)21*1/2+7/7 e)8/9-4:16-10/12
f)(14*81-17/21):8/3
na jutro plisss
a) 5*7+19/10=35+19/10=36 i 9/10
b) 6*7-3/3=42-3/3=42-1=41
c) 14-9/6+9*3=14-9/6+27=41-9/6=39,5
d) 21*1/2+7/7= 21/2+7/7=21/2+1=23/2=11 i 1/2
e) 8/9-4:16-10/12= 8/9-4/16-10/12=128/144-36/144-120/144=-28/144=-7/36
f) (14*81-17/21):8/3=(1134-17/21):8/3=(23814/21-17/21):8/3=23797/21:8/3=23797/21*3/8=23797/56=424 i 53/56
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a) 5*7+19/10=35+19/10=36 i 9/10
b) 6*7-3/3=42-3/3=42-1=41
c) 14-9/6+9*3=14-9/6+27=41-9/6=39,5
d) 21*1/2+7/7= 21/2+7/7=21/2+1=23/2=11 i 1/2
e) 8/9-4:16-10/12= 8/9-4/16-10/12=128/144-36/144-120/144=-28/144=-7/36
f) (14*81-17/21):8/3=(1134-17/21):8/3=(23814/21-17/21):8/3=23797/21:8/3=23797/21*3/8=23797/56=424 i 53/56