626546+90049=716595
626546-90049=536497
99891+46059=145950
99891-46059=53832
1) a+b 626.546+90.049=716.595
a-b 626.546-90.049=536.497
2) a+b 99.891+46.059=145.950
a-b 99.891-46.059=53.832
626546+90049=716595
626546-90049=536497
99891+46059=145950
99891-46059=53832
1) a+b 626.546+90.049=716.595
a-b 626.546-90.049=536.497
2) a+b 99.891+46.059=145.950
a-b 99.891-46.059=53.832