1) 12-(-8)=12+8=20
2)23-(-8)=23+8=31
3)9-(-8)=9+8=17
4)34-(-8)=34+8=42
5)72-(-8)=72+8=80
6)90-(-8)=90+8=98
<span>НОК(14, 7, 84 ) : 3 + 5 </span>· <span>НОД(105, 15 ) - 100 = 84 : 3 + 5 </span>· 15 -100 = 28 + 75 - 100 = 103 - 100 = 3<span>
</span>НОК(14, 7, <span>84 ) = 84
</span>НОД(105, <span>15 ) = 15</span>
6¹⁵/₂₁ + 2⁹/₁₄ = 6³⁰/₄₂+4²⁷/₄₂= 8⁵⁷/₄₂ = 9¹⁵/₄₂ = 9⁵/₁₄
125+300-x=425
125+300-425=x
X=0