305 · 3 - х = 809,
915 - х = 809,
х = 915 - 809,
х = 106;
10000 - а = 4008 · 2 ,
10000 - а = 8016,
а = 10000 - 8016,
а = 1984;
10007 · 2 - d = 10000,
20014 - d = 10000,
d = 20014 - 10000,
d = 10014;
945783 - 30009 : х = 945780,
30009 : х = 945783 - 945780,
30009 : х = 3,
х = 30009 : 3,
х = 10003.
1) 305 * 3 - x = 809;
915 - х = 809;
х = 915 - 809;
2) 10 000 - а = 4008 * 2;
10 000 - а = 8016;
а = 10 000 - 8016;
3) 10 007 * 2 - d = 10 000;
20014 - d = 10 000;
d = 20 014 - 10 000;
d = 10014
4) 945 783 - 30 009: x = 945 780;
30 009 / х = 945 783 - 945 780;
30 009 / х = 3;
х = 30 009 / 3;
х = 10 003;
305 · 3 - х = 809,
915 - х = 809,
х = 915 - 809,
х = 106;
10000 - а = 4008 · 2 ,
10000 - а = 8016,
а = 10000 - 8016,
а = 1984;
10007 · 2 - d = 10000,
20014 - d = 10000,
d = 20014 - 10000,
d = 10014;
945783 - 30009 : х = 945780,
30009 : х = 945783 - 945780,
30009 : х = 3,
х = 30009 : 3,
х = 10003.
1) 305 * 3 - x = 809;
915 - х = 809;
х = 915 - 809;
х = 106;
2) 10 000 - а = 4008 * 2;
10 000 - а = 8016;
а = 10 000 - 8016;
а = 1984;
3) 10 007 * 2 - d = 10 000;
20014 - d = 10 000;
d = 20 014 - 10 000;
d = 10014
4) 945 783 - 30 009: x = 945 780;
30 009 / х = 945 783 - 945 780;
30 009 / х = 3;
х = 30 009 / 3;
х = 10 003;