1x: { 2 grid-columns: 2 3 4 a.width: 50 5 a.height: 72 6 b.width: 50 7 b.height: 30 8} 9 10y: { 11 grid-columns: 2 12 13 a.width: 50 14 a.height: 73 15 b.width: 50 16 b.height: 30 17} 18 19z: { 20 grid-columns: 2 21 lim: |latex 22 \\lim_{h \\rightarrow 0 } \\frac{f(x+h)-f(x)}{h} 23 | 24 add: |latex 25 1 + 1 26 | 27}