1) -45:(-9)=
2) 3/4:(-3/4)=
3) х:(-5,73)=0
4) (-2+1 3/5:(-0,64))*(-4/5)=
5) 5/8:х=-5/8=
6) -6/11:х=-1
7) -5/7:х=0
2) 3/4:(-3/4)=
3) х:(-5,73)=0
4) (-2+1 3/5:(-0,64))*(-4/5)=
5) 5/8:х=-5/8=
6) -6/11:х=-1
7) -5/7:х=0
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2.)3/4:(-3/4)= -1
3.)х:(-5,73)=0
Х÷(-573/100)=0
Х=0
4.)(-2+1 3/5:(-0,64))*(-4/5)=(-2+3/5:(-16/25))×(-4/5)=(-2-15/16)×(-4/5)=47/4×1/5=2 7/20=2,35
5) 5/8:х=-5/8
5/8×1/х=-5/8
8х=-8
Х=-1
6) -6/11:х=-1
-6/11×1/х=-1
6=11х
Х=6/11
7) -5/7:х=0
-5/7×1/х=0
5/7х=0
5=0
Х- не имеет решений