-3 1/2*(-10)+(-10)*6,5= 35-65= -30
(2/3+0,5):(0,75-5/6)= 1⅙:(-¹/₁₂)= -14
0,4-2/3+9*(-1/4)= ⅖-⅔-2¼= 2³¹/₆₀
-5/14+(-0,3)*(6/7-1)= -⁵/₁₄-³/₁₀*(-¹/₇)= -⁵/₁₄+³/₇₀= -¹¹/₃₅
-0,75-2*(-7/12)+5/3= -¾+1⅙+1⅔= 2¹/₁₂
1/5*(-0,6-4/5+0,75)= 0,2*0,95= 0,19
4 2/3*(-3,25)-2 2/5*(-3/4)= -15⅙+1⅘= -13¹¹/₃₀
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(2/3+0,5):(0,75-5/6)=(2/3+1/2):(3/4-5/6)=(4/6+3/6):(9/12-10/12) = 7/6:(-1/12)=7/6∧(-12/1)=-14
-3 1/2*(-10)+(-10)*6,5= 35-65= -30
(2/3+0,5):(0,75-5/6)= 1⅙:(-¹/₁₂)= -14
0,4-2/3+9*(-1/4)= ⅖-⅔-2¼= 2³¹/₆₀
-5/14+(-0,3)*(6/7-1)= -⁵/₁₄-³/₁₀*(-¹/₇)= -⁵/₁₄+³/₇₀= -¹¹/₃₅
-0,75-2*(-7/12)+5/3= -¾+1⅙+1⅔= 2¹/₁₂
1/5*(-0,6-4/5+0,75)= 0,2*0,95= 0,19
4 2/3*(-3,25)-2 2/5*(-3/4)= -15⅙+1⅘= -13¹¹/₃₀