1)3/4 + 5/7 = ?
2) 1/7 - 1/8 = ?
3) 2/3 + 4/9 = ?
4) 5/6 - 2/3 = ?
5) 3/4 + 1/6 - 2/3 = ? помогите пж!!!!
2) 1/7 - 1/8 = ?
3) 2/3 + 4/9 = ?
4) 5/6 - 2/3 = ?
5) 3/4 + 1/6 - 2/3 = ? помогите пж!!!!
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ответ:
1)1,46
2)0,017
3)10/9
4)0,25
1)3/4+5/7=1 13/28
2)1/7-1/8=1/56
3)2/3+4/9=1 1/9
4)5/6-2/3=1/6
5)3/4+1/6-2/3=1/4