1) （94,2-a)-1,26=3,254
2) 40,3-(63,4-a)=36,62

1) （94,2-a)-1,26=3,25494,2-a-1,26=3,25492,94-a=3,254a=92,94-3,254a=89,6862) 40,3-(63,4-a)=36,6240,3-63,4+a=36,62a-23,1=36,62a=36,62+23,1a=59,72

1) (94,2 - а)-1,26=3,25494,2 - а = 3,254 + 1,2694,2 -а = 4,514-а = 4,514 - 94,2-а = -89,686а = 89,6862)40,3 - (63,4 - а) = 36,6240,3 - 63,4 + а = 36,62а = 36,62 - 40,3 + 63,4а = 59,72