Помогите 1 номер умоляю
Ответы:
2x+17=61736/25 : (-0,3)=36/25 : (-3/10)=36/25* (-10/3)=12/5* (-2/1)=-24/5=-4 4/5 или -4,8
3/14: (-3,7+40/7)=3/14: (-37/10+40/7)=3/14: (-259/70+400/70)=3/14 : 141/70=3/14* 70/141= 1/1* 5/47=5/47
(0,6-4,7): (2 1/7- 3 4/9)=-4,1: (15/7-31/9)=-4,1: (135/63-217/63)=-41/10 : (-82/63)= -41/10* (-63/82)=-1/10* (-63/2)=63/20=3 3/20 или 3,15
А) 36 3 36 10 12 2 24
: (- ) = * (- -) = — * (- -) = — = -4.8
25 10 25 3 5 1 5
2 1
Б) 3 7 40 5
— : (- 3 + ) = —
14 10 7 47
1) 37 40 259 400 141
+ — = + =
10 7 70 70 70
2) 3 141 3 70 1 5 5
— : = — * = — * — = —
14 70 14 141 1 47 47
1 3 2
1 4
3) (0.6-4.7): ( 2 3 ) = 3.15
7 9
1) 0.6-4.7=-4.1
1 4 9 28 135 217 82
2) 2 3 = 2 — 3 — = =
7 9 63 63 63 63 63
3) 1 82 41 63 1 63 63
4 : = — * — = — * — = — = 3.15
10 63 10 82 10 2 20