1) 8000/(25•4)•7= 8000/100=80•7=560
2)9000/(300•3)•6= 9000/900=10•6=60
3)832-328-247=504-247=257
4)603-(347-189)= 603-158=445
5)903-(178+359)/3= 903-179= 724
6)324+(503-299)/4= 324+51= 375
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1) 8000/(25•4)•7= 8000/100=80•7=560
2)9000/(300•3)•6= 9000/900=10•6=60
3)832-328-247=504-247=257
4)603-(347-189)= 603-158=445
5)903-(178+359)/3= 903-179= 724
6)324+(503-299)/4= 324+51= 375