a, 1500 : 4 : 25
= 1500 : (4 x 25)
= 1500 : 100
= 1
40700 : 25 : 4
= 40700 : (25 x 4)
= 40700 : 100
= 407
b,(100 x 327) : 25
= (100 : 25) x 327
= 4 x 327
= 1308
128 : (4 x 2)
= 128 : 8
= 16.
a: =1500:100=15
40700:100=407
b: =4x327=1308
128:(4x2)=128:8=16
`1500:(4xx25)`
`=1500:100`
`=15`
______________
`40700:(25xx4)`
`=40700:100`
`=407`
\(a,\) \(1500:4:25=\)
\(=1500:\left(4\times25\right)\)
\(=1500:100\)
\(=15\)
\(40700:25\times4=\)
\(=40700:\left(25\times4\right)\)
\(=40700:100\)
\(=407\)
\(b,\) \(\left(100\times327\right):25=\)
\(=\left(100:25\right)\times327\)
\(=4\times327\)
\(=1308\)
\(128:\left(4\times2\right)=\)
\(=128:8\)
\(=16\)