725+5+b. b+72840+4. 8164+908+×. 91793+307+23+с. а+1092+29+25+15. ×+6738+834+123. 7585+35+95+b. 4932+×+128+4507.

725 + 5 + b = 730 + b
b + 72840 + 4 = b + 72844
8164 + 908 + x = 9072 + x
91793 + 307 + 23 + c = 92123 + c
a + 1092 + 29 + 25 + 15 = 1161 + a
x + 6738 + 834 + 123 = 7697 + x
7585 + 35 + 95 + b =7715 + b
4932 + x + 128 + 4507 =9567 + x