1. Work out
c) 2.5; d)
0.05.
2. Work out
c) 0.6;
d) 6.
3. Work out
c) 4.9; d) 0.07.
а) 0.08; b) 0.4 ;
c) 6.4;
d) 0.8.
а) 0.3; b) 8.1;
c) 0.9;
d) 0.09.
6. Find a pair of square number which give of
total of
65
а) 47, 18
or 1,
64;
b) 29, 36
or 1,
64;
c) 49, 16
or 9,
57;
d) 49, 16
or 1,
64.
7. Find a pair of square number which give of total of
10
а) 6, 4; b) 9, 1;
c) 5, 5; d) 8, 2.
8.
Find a pair of square number which give of total of
29
а) 25, 4; b) 16, 13;
c) 20, 9; d) 21, 8.
9. Find a pair of square number which give of
total of
73
а) 25, 48; b) 49, 24;
c) 16, 57; d) 64, 9.
10. Find a pair
of square number which give of total of
61
а) 45, 16; b) 4, 57;
c) 25, 36; d) 9, 52.
12. Work out
c) 4; d)
7.
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