2 11/12-3 3/4=2 11/12-3 9/12=2 11/12-2 21/12=-10/12=5/6
3,08-5,48=-2,4
-1,8+2 5/6=-1 4/5+2 5/6=-1 24/30+2 25/30=1 1/30
-4 7/9-6 2/3=-4 14/18-6 12/18=-10 26/18=-11 8/18=-11 4/9
-1 1/10+3 1/7=-1 7/70+3 10/70=2 3/70
5 2/3-(-4 2/5)=5 2/3+4 2/5=5 10/15+4 6/15=9 16/15=10 1/15
-3 7/16+5/48=-3 21/48+5/48=-3 16/48=-3 1/3
-4,05-(-2,4)=-4,05+2,4=-1,65
7,25-3,65=3,6
7-(-(-7)+(-3))-(-(-5)-1-(-8)=7-7-4-5-1+8=-2
-4-(-2)-(-5-(-7)+(-3)-(-8)=-4+2-(-5+7)-3+8=-2+5-7-3+8=1
-3,28+(-5,62)-(-9)-3,8+0,49=-3,28-5,62+9-3,8+0,49=-3,21
27*(-6)=-162
-67*(-15)=1005
-15*0,87=-13,05
1/2*5/3=5/6
-10/7*(-5/6)=50/42=1 8/42=1 4/21
6/7*(-1/2)=-3/7
-5*(-62)=310
169*243=39609
-16,9*3,02=-51,038
-10/3*(-3/4)=2,5
-15/4*(-4/5)=3
5/14*7/15=5/30=1/6
42*(-10)=-420
32,5*(-4,3)=-139,75
-1,01*(-0,02)=0,0202
5/2*(-11/5)==-5,5
-21/4*(-7/3)=49/4=12 1/4
-7/16*4/21=-1/12