%path = "maths/number system/binary/add" %kind = chindnum["problems"] %level = 9 \(\begin {matrix} a_2 &= {{'{0:0>7b}'.format(chiven.a)}}\\ b_2 &= {{'{0:0>7b}'.format(chiven.b)}} \end {matrix}\)
\(a_2+b_2\) = %chq()