Example

3(r+2s)=2t-4
a⋅(b-2)=3b
3(r+2s)=2t-4
a⋅(b-2)=3b

Question

$$6.9 \times 0.18$$

Answer

1.242

Solution


Use the algorithm method.
6.9
×0.18
57
0.552
0.690
11
1.242
Therefore, \(6.9\times 0.18=1.242\).
\[1.242\]
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