Ответ:
1) 22/15-14/5=22-3×14/15=20/15=4×5/3×5= -1 1/3
2) 19/6 - 43/8= 4×19-3×43/24= -53/24= - 2 5/24
3) 29/12 - 63/20 = 5×29-3×63/60= -44/60 =11×4/15×4= -11/15
4) -80/30=8×10/3×10= -2 2/3
5)
1) 1 3/20+3 7/10 = 23/20+37/10=23+2×37/20= 97/20= 4 17/20
2) 4 17/20 - 0,6 = 85/20 = 17×5/4×5= 4 1/4
3) 4 1/4 - 2/5 = 17/4-2/5 = 5×17- 4×2/ 20= 77/20= 3 17/20.
Пошаговое объяснение:
Все фух;) лови;)
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Answers & Comments
Ответ:
1) 22/15-14/5=22-3×14/15=20/15=4×5/3×5= -1 1/3
2) 19/6 - 43/8= 4×19-3×43/24= -53/24= - 2 5/24
3) 29/12 - 63/20 = 5×29-3×63/60= -44/60 =11×4/15×4= -11/15
4) -80/30=8×10/3×10= -2 2/3
5)
1) 1 3/20+3 7/10 = 23/20+37/10=23+2×37/20= 97/20= 4 17/20
2) 4 17/20 - 0,6 = 85/20 = 17×5/4×5= 4 1/4
3) 4 1/4 - 2/5 = 17/4-2/5 = 5×17- 4×2/ 20= 77/20= 3 17/20.
Пошаговое объяснение:
Все фух;) лови;)