math 2 8
a
b
x
x
5
3
x
x
N
p
q
p
P
q
P
p
q
2
x
x
x
3
x
2
4
123
456
N[123/456, 39]
$0.269736842105263157894736842105263157894\ldots$
evalf(123/456, 39);
0.269736842105263157894
736842105263157894
‾
123
456