Example

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

Question

$$\frac{ 0.3 }{ 0.4 }$$

Answer

0.75

Solution


Shift the decimals of both 0.3 and 0.4 to the right by 1 decimal place. (This is needed to convert 0.4 to 4, since long division must divide by a whole number.)
\[3\div 4\]
Use the algorithm method.
0.75
4|3.
2.8
20
20
Therefore, \(0.3\div 0.4=0.75\).
\[0.75\]
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