520+22:2=520+11=531
45*3+300=135+300=435
16*3+(120+160)=48+280= 328
600+25*5=600+125=725
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520+22:2=520+11=531
45*3+300=135+300=435
16*3+(120+160)=48+280= 328
600+25*5=600+125=725