\(a,125.\left(-4\right).\left(-16\right).25.8\\ =125.8.25.\left(-4\right).\left(-16\right)=1000.\left(-100\right).\left(-16\right)\\ =1000.1600\\ =1600000\\ b,16.\left(38+2\right)-38.\left(16-2\right)\\ =16.40-38.14\\ =640-532\\ =108\)
a, 125.(-4).(-16).25.8
=(125.8). { (-4).25} .(-16)
= 1 000.(-100).(-16)
= 1 600 000
b, 16. (38+2) - 38.( 16 - 2)
= 16.38 + 16.2 - 38.16 + 38.2
= 2.(16 + 38)
= 2. 54
= 108
`a,125xx(-4)xx(-16)xx25xx8`
`=(125.8)xx{ (-4).25}xx(-16)`
`=1000xx(-100)xx(-16)`
`=1600000`
`b,16.(38+2)-38xx( 16 - 2)`
`= 16xx38+16xx2-38xx16+38xx2`
`=2xx(16 + 38)`
`=2xx54`
`=108`
`@Nae`