2*1/10=2/10=1/5
1/3+1/5=5/15+3/15=8/15
75/100*8/15=3/4*8/15=2/5
2/3-7/12=8/12-7/12=1/12
2/5:1/12=2/5*12/1=24/5=4 4/5
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2*1/10=2/10=1/5
1/3+1/5=5/15+3/15=8/15
75/100*8/15=3/4*8/15=2/5
2/3-7/12=8/12-7/12=1/12
2/5:1/12=2/5*12/1=24/5=4 4/5
Verified answer
1) 2×1/10=0,22) 0,75×1/3=0,25
3) 0,75×0,2=0,15
4)0,25+0,15=0,4
5)2/3-7/12=1/12
6)0,4:1/12=4,8