냥(비교)

 r1864 vs r1865
 ...
 .[include(틀:계산기2, a=1, f=+)]
 .[include(틀:계산기2, b=1, f=+)]
 .[include(틀:계산기2, a=1,b=1,f=+)]
+.[include(틀:계산기2, a=-2.4,b=2.3,f=+)]
 }}}
 ...