5(42,2х-3)=х+10
211х-15=х+10
210х=25
х=25/210=5/42
(21:3)*2=7*2=14 морковин необходимо
1) -8.3 + 5.6 = -1(8.3 - 5.6) = -2.7
2) -9.7 +14.3 = 14.3 - 9.7 = 4.6
3) -0.36 + 1.43 = 1.43 - 0.36 = 1.07
4) 0.56 + (-0.89) = 0.56 - 0.89 = -1(0.89 - 0.56) = -0.33
5) -9 + 0.9 = -1(9 - 0.9) = -8.1
6) 6.17 + (-8) = 6.17 - 8 = -1(8 - 6.17) = -1.83
7) 0.78 + (-2) = 0.78 - 2 = -1(2 - 0.78) = -1.22
8) 5 + (-3.65) = 5 - 3.65 = 1.35
9) 14 + (-15.9) = 14 - 15.9 = -1(15.9 - 14) = -1.9
46) 56 78 32 <span>54
47) 54 9
48) 180
49) 9 35
50) 427 220 683 41
</span>
8,757-(7,8-1,043)=8,757-6,757=2
3,96+(2,375+3,96)=3,96+6,335=10,295
0,2-(х-3,3)=0,2-х+3,3=3,5-х
m-3,5-x=-3,5
c-(a+c)=c-a-c=-a