`a,(-3)/5*14/7+3/5*(-8)/7+9/5`
`=(-3)/5*2+3/5*(-8)/7+(3*3)/5`
`=3/5*(-2)+3/5*(-8)/7+3*3/5`
`=3/5*(-2+(-8)/7+3)`
`=3/5*(-1)/7`
`=(-3)/35`
` b, 0,01.sqrt144-sqrt(4/25`
` =0,01.12-2/5`
` =0,12-2/5`
` =-0,28`
`c, (1 1/2-0,5):(-3) ^ 2 + 1/3-1/6`
`= (3/2-1/2):9 + 1/3-1/6`
`= 2*1/9 + 1/3-1/6`
`= 2/9 + 1/3-1/6`
`=7/18`
`d, 5sqrt16-4sqrt9+sqrt25-0,3.sqrt400`
`= 5.4-4.3+5-0,3.20`
`= 20-12+5-6`
`= 7`
`e, (-3/2)^ 2 + |-5/6| - 1 1/2 : 6 `
` =9/4 + 5/6 - 3/2 *1/ 6 `
` =9/4 + 5/6 - 1/4 `
`=17/6`