- 3,5 + 3/8 +(- 0,75) + 1 1/4 +(-6 7/8) 12,2 +(-7 2/5) + (-4 5/6) +(-39 1/2) + 50 9,6 +(-32) + 72 2/3 + (-2 4/15) +(-39 3/5) 6,7 +(-8 3/4)+(-11 3/20) +(- 0,7)+4,81
-7/2+3/8-3/4+5/4-55/8=-14/4-3/4+5/4+3/8-55/8=-9,5 61/5-37/5-29/6-79/2+50=24/5-266/6+50/1=144/30-1330/30+1500/30=314/30=10 7/15 -112/5+218/3-34/15-198/5=-336/15+1090/15-34/15-594/15=126/15=8,4 67/10-35/4-223/20-7/10+481/100=670/100-875/100-1115/100-70/100+481/100=-909/100=-9,09