Ответ:
1)90:1/9=90*9:1=810
2)90:2/5=90*5:2=225
3)90:2/9=90*9:2=405
4)90:3/10=90*10:3=300
5)90:5/6=90*6:5=108
6)90:18/19=90*19:18=95
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Ответ:
1)90:1/9=90*9:1=810
2)90:2/5=90*5:2=225
3)90:2/9=90*9:2=405
4)90:3/10=90*10:3=300
5)90:5/6=90*6:5=108
6)90:18/19=90*19:18=95