Ответ:
Пошаговое объяснение:
1) 6,9+ 2 11/20= 6 9/10+2 11/20= 6 18/20+2 11/20= 9 19/20
2) 9 19/20 * 2 3/5 = 18 57/100
3) 3,5*2,7= 3 5/10 * 2 7/10= 6 35/100= 6,35
4) 18 57/100 - 6 35/100= 12 22/100
5) 2 1/12 - 1 1/18 = 2 3/36 - 1 2/36 = 1 1/36
6) 1 1/36 : 9 1/4 = 37/36: 37/4 = 37/36 * 4/37 = 4/36
7) 8 1/9 - 4/36 = 8 4/36 - 4/36 = 8
8) 12,22*8= 97,76
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Answers & Comments
Ответ:
Пошаговое объяснение:
1) 6,9+ 2 11/20= 6 9/10+2 11/20= 6 18/20+2 11/20= 9 19/20
2) 9 19/20 * 2 3/5 = 18 57/100
3) 3,5*2,7= 3 5/10 * 2 7/10= 6 35/100= 6,35
4) 18 57/100 - 6 35/100= 12 22/100
5) 2 1/12 - 1 1/18 = 2 3/36 - 1 2/36 = 1 1/36
6) 1 1/36 : 9 1/4 = 37/36: 37/4 = 37/36 * 4/37 = 4/36
7) 8 1/9 - 4/36 = 8 4/36 - 4/36 = 8
8) 12,22*8= 97,76