1: \(0,25:0,01+\dfrac{75}{100}:0,01+25\%\cdot100+75\)
\(=25+75+25+75\)
=100+100
=200
2: \(\left(12\cdot2+12\cdot4-12\cdot6\right):\left(2+4+...+12+14\right)\)
\(=12\left(2+4-6\right):\left(2+4+...+12+14\right)\)
\(=12\cdot0:\left(2+4+...+12+14\right)\)
=0
3: \(0,25:0,01+0,25\cdot96+0,25:0,25\)
\(=0,25\cdot100+0,25\cdot96+0,25\cdot4\)
\(=0,25\left(100+96+4\right)\)
\(=0,25\cdot200=50\)