1) (146+322)+178= (322+178) + 146 = 500+146=646
2)784+(179+116)= (784+116)+179 = 900+179=1079
3)625+481+75+219= (625+75)+(481+219)=700+700=1400
4)427+88+273+112=(427+273)+(112+88)=700+200=900
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1) (146+322)+178= (322+178) + 146 = 500+146=646
2)784+(179+116)= (784+116)+179 = 900+179=1079
3)625+481+75+219= (625+75)+(481+219)=700+700=1400
4)427+88+273+112=(427+273)+(112+88)=700+200=900