[tex] \bf a) \: \: \purple{\underline{95}} \cdot175 - 25 \cdot\purple{\underline{95}} - 50 \cdot\purple{\underline{95}} = [/tex]
[tex] \bf 95 \cdot \big(175 - 25 - 50 \big)= [/tex]
[tex]\bf 95 \cdot \big(150 - 50 \big)= [/tex]
[tex]\bf 95 \cdot 100 = [/tex]
[tex] \purple{ \underline{\bf 9 \: 500 }}[/tex]
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[tex]\bf b) \: \: \red{\underline{5000}}\cdot672 - 73 \cdot\red{\underline{5000}} + \red{\underline{5000}} = [/tex]
[tex]\bf 5000\cdot \big(672 - 73 + 1 \big)= [/tex]
[tex]\bf 5000\cdot \big(599 + 1 \big)= [/tex]
[tex]\bf 5000\cdot 600 = [/tex]
[tex] \red{ \underline{\bf 3 \: 000 \: 000}}[/tex]
