`1)(3/7-4/32):3/14+11/14`
`=3/7 : 3/14 - 4/32 : 3/14 +11/14`
`=(3.14)/(7.3)-(4.14)/(32.3)+11/14`
`=14/7-(4.14)/(4.8.3)+11/14`
`=2-14/(8.3)+11/14`
`=2-14/24+11/14`
`=2-7/12+11/14`
`=17/12+11/14`
`=238/168+132/168=370/168=185/84`
`2)3/4+1/4(2/3-25/100)`
`=3/4+1/4(2/3-1/4)`
`=3/4+1/4 . 2/3 - 1/4 . 1/4`
`=3/4+1/6-1/16`
`=12/16+1/6-1/16`
`=11/16+1/6`
`=66/96+16/96=82/96=41/48`