1)х/60=4/9
4/9=0.44; 0.44*60=26.4; 26/60=4/9
2)60/z=5/7
5/7=0.71; 60/0.71=84.5; 60/84.5=5/7
3)2.2/3.5=b/3.85
2.2/3.5=0.62; 0.62*3.85=2.38; 2.2/3.5=2.38/3.85
4)5/2.7=0.45/а
5/2.7=1.85; 0.45/1.85=0.24; 5/2.7=0.45/0.24
5)с/2.43=2/5
2/5=0.4; 0.4*2.43=0.97; 0.97/2.43=2/5
6)7/18:5/9=х:3/14
7/18=0.38; 5/9=0.55; 0.38/0.55=0.69; 3/14=0.21; 0.21*0.69=0.14; 0.38/0.55=0.69/0.21
1) 9х=60*4; 9х=240; х=240/9; х=26,7(значение приблизительное)
2) 5z=60*7; 5z=420; z=420/5; z=84
3) 3.5b=2.2*3.85; 3.5b=8.47; b=8.47/3.5; b=2.42
4) 5a=2.7*0.45; 5a=1.215; a=1.215/5; a=0.243
5) 5c=2.43*2; 5c=4.86; c=4.86/5; c=0.972
6) 5.9x=7.18*3.14; 5.9x=22.5452; x=22.5452/5.9; x=3.821(значение приблизительное)