a/ 4567x7+4567x2+4567
\(=4567\times7+4567\times2+4567\times1\)
\(=4567\times\left(7+2+1\right)\)
\(=4567\times10=45670\)
b/2345x6+2345x2+4690
\(=2345\times6+2345\times2+2345\times2\)
\(=2345\times\left(6+2+2\right)\)
\(=2345\times10=23450\)
c/ 45984-2708x8+2708
\(=45984-21664+2708\)
\(=24320+2708\)
\(=27028\)
d/97500:4:25
\(=24375:25\)
\(=975\)
`4567xx7+4567xx2+4567`
` = 4567xx7+4567xx2+4567 xx1`
` = 4567 xx ( 7 + 2 + 1)`
` = 4567 xx 10`
` = 45670`
__________________________________________
`2345xx6+2345xx2+4690`
`= 2345 xx 6 + 2345 xx 2 + 2345 xx2`
` = 2345 xx ( 6 + 2 + 2)`
` = 23450`
________________________________________
` 45984-2708xx8+2708 `
` = 45984- 21664 + 2708`
` = 24320 + 2708`
` = 27028`
_________________________________
` 97500:4:25`
` = 97500 : ( 4 xx 25)`
` = 97500 : 100`
` = 975`
`4567xx7+4567xx2+4567`
` = 4567 xx ( 7 + 2 + 1)`
` = 4567 xx 10`
` = 45670`
`2345xx6+2345xx2+4690`
`= 2345 xx 6 + 2345 xx 2 + 2345 xx2`
` = 2345 xx ( 6 + 2 + 2)`
` = 23450`
` 45984-2708xx8+2708 `
` = 45984 - 21664 + 2708`
` = 27028`
` 97500:4:25`
` = 97500 : ( 4 xx 25)`
` = 97500 : 100`
` = 975`
