(1,6-2 1/6+41/90)*3 3/5-0,25:1,25= -3/5 ( или -0,6)
1) 1,6- 2 1/6= 16/10- 13/6= 8/5-13/6= 48/30-65/30= -17/30
2) -17/30+41/90= -51/90+41/90= -10/90= -1/9
3) -1/9*3 3/5= -1/9*18/5= -2/5
4) 0,25:1,25= 25/100:125/100= 25/100*100/125= 1/5
5) -2/5-1/5= -3/5 (или -0,6)
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(1,6-2 1/6+41/90)*3 3/5-0,25:1,25= -3/5 ( или -0,6)
1) 1,6- 2 1/6= 16/10- 13/6= 8/5-13/6= 48/30-65/30= -17/30
2) -17/30+41/90= -51/90+41/90= -10/90= -1/9
3) -1/9*3 3/5= -1/9*18/5= -2/5
4) 0,25:1,25= 25/100:125/100= 25/100*100/125= 1/5
5) -2/5-1/5= -3/5 (или -0,6)