374-(200+74)=374-74-200=300-200=100
743-(500+20)=743-500-20=243-20=223
313-(107+206)=313-313=0
635-(80+135)=635-135-80=500-80=420
426-(326+10)=426-326-10=100-10=90
529-(64+136)=529-200=329
681-(81+130)=681-81-130=600-130=600-100-30=500-30=470
377-(37+140)=377-(37+40+100)=377-77-100=300-100=200
295-(157+43)=295-200=95