1) - (the 10th +56u)+ (5.7kh-9) 2) - (-5.6a-7.8s) - (-2.4a +0.8s) 3)-5 * (2.3kh +7.1u) +2 * (4.3u-5.2kh) 4) 4 * (-5.6s-4.7а)-2 * (0.03s +4.1a) 5)-3 * (-2.5+0.2u) - (3.5u +5.6kh)

195
1) - to a 10kh-56 to a +5.7kh-9 =-4.3kh-65у 2) 5.6a +7.8s +2.4a-0.8s =8a +7s 3) - to a 11.5kh-35.5 +8.6u-10.4kh =-22.9kh-26.9у 4) - 22.4s-18.8a-0.06s-8.2а a =22.46s-27a 5) (if that there was a typo) 7.5kh-0.6u-3.5u-5.6х to a =1.9kh-4.1 (If the typo was not) 7.5-0.6u-3.5u-5.6х =7.5-4.1u-5.6хЭээ eeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee
113
Answer add