July 2022 1 7 Report
решите пожалуйста тут дроби
а)7/16+5/16-1/16
б)13/20-7/20+9/20
в)5 7/10- 1 2/10+ 3 1/10
г)5 4/9+4 2/9- 1 3/9
номер 2
а)7/10+2/5
б)3/15+2/3
в)4/5+2/3
г)4/7+2/4
номер 3
а)7/20x2
б)15/35:5
в)2/15:3
г)8/9x4
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