Упростить выражение /-это дробь 1). 8.3-a+1.7. 2). 13.5+x-1.5-13.5. 3).48.5-m+1.5-48.5. 4).5/8+b-1/4. 5).5/6+y-5/6+1/6. 6).n+5/9-8-5/9.
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2) 13.5+x-1.5-13.5 = 13.5-1.5-13.5+x=-1.5+x=х-1.5
3) 48.5-m+1.5-48.5 =48.5+1.5-48.5-m=1.5-m
4) 5/8+b-1/4 = 5/8-1/4+b = 5/8-2/8+b = 3/8+b = 0.375+b
5) 5/6+y-5/6+1/6=у+1/6
6) n+5/9-8-5/9 = n-8