![](data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" viewBox="0 0 72 71" width="72"></svg>)
X 10 5 x 10 6 =1000
2x+11=1000
2x=1000-11
2x=989
x=989÷2
x=494.5
A number consists of six ones and two tens. This number is___ Its reciprocal is___ ．
The number composed of six ones and two TENS is 2626, and the reciprocal is 126
0.5, three quarters, 6 and another number can form a proportion. What is the possible number?
It may be: 0.5 × 3 / 4 △ 6 = 1 / 16, 0.5 × 6 △ 3 / 4 = 4, 3 / 4 × 6 △ 0.5 = 9 / 4
That could be 1 / 16, 4, 9 / 4
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