3.228*(-9)+(3.272)*9-(-1.5)*9

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3.228*(-9)+(3.272)*9-(-1.5)*9

3.228*(-9)+(3.272)*9-(-1.5)*9
=(-3.228)*9+(3.272)*9+1.5*9
=(-3.228+3.272+1.5)*9
=1.544*9
=13.896

3.228*(-9)+(3.272)*9-(-1.5)*9
=9*(-3.228+3.272+1.5)
=9*1.544
=13.896