привести подобные слагаемые:
a) 1/12m-1/4m-1/3m;
b) c-0,8c-1/5c-1/2c;
c) 2/3a+3/8b-1/6a-1/4b;
d) 0,2m-2/9-4m+5/9;
a) 1/12m-1/4m-1/3m;
b) c-0,8c-1/5c-1/2c;
c) 2/3a+3/8b-1/6a-1/4b;
d) 0,2m-2/9-4m+5/9;
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Answers & Comments
b)c-0,8c-0,2c-0,5c=-0,5c
c) 4/6a-1/6a+3/8b-2/8b=3/6a+1/8b=1/2a+1/8b
d) -3,8m+3/9=-3,8m+1/3