.................................................
Б) 3:4=3:4; 2:5=4:10
в) 12:16=36:48; 6:9=48:72
г) 18:24=18:24; 6:5=24:20
д) 5:9=10:18; 6:7=18:21
е) 15:12=75:60; 5:8=60:96
<span>
5/6=2Х/3
2х=5*3:6
2х=2.5
х=1.25
</span>
4/9=8Х/45
<span>8х=45*4:9
8х=20
х=20:8=2.5
5х/12=2/3
5x=12*2:3
5х=8
х=8:5=1.6
6/7=10x/21
10x=6*21/7
10x=18
x=1.8
8/9=4x/27
</span>4x=8*27/9
4x=24
x=6
27/5x=9/16
5x=27*16/9
5x=48
x=48/5=9.6
432, 240 : 60 = 7, 204
283, 600 : 400 = 0, 709
483, 000 : 700 = 0, 69
7, 204 * 60 = 432, 24 (0)
0, 709 * 400 = 283, 6 (00)
0, 69 * 700 = 483 (, 000)
<span>бра+бар=раб это 495+459=954</span>