___________________________________
7003053
26000040
48009000245
1700 руб-(100-15=85)%
x руб- 100 %
x= 1700•100÷85=20000руб
2.3 +( 1.5 - 0.7 ) = 2.3 + 0.8 = 3.1
6.75 - ( 2.35 + 0.23 ) = 6.75 - 2.58 = 4.17
3.4 - ( 0.9 + 0.45 ) = 3.4 - 1.35 = 2.05
( 12.4 - 9.35 ) + 2.48 = 3.05 + 2.48 = 5.53
( 27.61 - 8.11 ) + 4.05 = 19.5 + 4.05 = 23.55
( 6.35 - 2.05 ) + 0.9 = 4.3 + 0.9 = 5.2