а) 16х100:20=80 8х100:20=40 4х100:20=20
б) 9х100:45=20 180х100:45=400
в) 44Х100:110=40 5,5х100:110=5
г) 120х100:1,5=8000 2,25х100:1,5=150
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а) 16х100:20=80 8х100:20=40 4х100:20=20
б) 9х100:45=20 180х100:45=400
в) 44Х100:110=40 5,5х100:110=5
г) 120х100:1,5=8000 2,25х100:1,5=150