Х÷8,1=0,15 х÷5,8=365 х÷8,4=2,3 х÷0,22=4,9 50

Х÷8.1=0.15
х=8.1×0.15
х=1.215
1.215÷8.1=0.15
0.15=0.15

х÷5.8=365
х=365×5.8
х=2117
2117÷5.8=365
365=365

х÷8.4=2.3
х=2.3×8.4
х=19.32
19.32÷8.4=2.3
2.3=2.3

х÷0,22=4.9
х=4.9×0.22
х=1.078
1.078÷0.22=4.9
4.9=4.9