`@` `\text {Ans}`
`\downarrow`
`456 \div 2 \times 18 + 456 \div 3 - 102`
`= 456 \times 1/2 \times 18 + 456 \times 1/3 - 102`
`= 456 \times (1/2 \times 18 + 1/3) - 102`
`= 456 \times ( 9 + 1/3) - 102`
`= 456 \times 28/3 - 102`
`= 4256 - 102`
`= 4154`
456 : 2 x 18 + 456 : 3 - 102
= 4104 + 50
= 4154
456 : 2 \(\times\) 18 + 456 : 3 - 102
= 228 \(\times\) 18 + 152 - 102
= 4104 + 152 - 102
= 4256 - 102
= 4154