Solution 1.2:4b - Revision history

Tek at 10:32, 19 September 2008

2008-09-19T10:32:46Z

←Older revision		Revision as of 10:32, 19 September 2008
Line 1:		Line 1:
-	Multiply top and bottom of the double fraction by the reciprocal of the denominator.	+	Multiply top and bottom of the double fraction by the reciprocal of the denominator,

		+	{{Displayed math\|\|<math>\frac{\displaystyle\,\frac{2}{7}\,}{\displaystyle\,\frac{3}{8}\,} = \frac{\displaystyle\,\frac{2}{7}\cdot \frac{8}{3}\,}{\displaystyle\,\frac{\rlap{/}3}{\rlap{/}8}\cdot \frac{\rlap{/}8}{\rlap{/}3}\,}=\frac{2}{7}\cdot \frac{8}{3}\,</math>.}}

-	~~<math>\frac{\frac{2}{7}}{\frac{3}{8}}=\frac{\frac{2}{7}\centerdot \frac{8}{3}}{\frac{3}{8}\centerdot \frac{8}{3}}=\frac{2}{7}\centerdot \frac{8}{3}</math>~~	+	The numerator and denominator on the right-hand side do not have a common factor, so the answer is

-	~~The numerator and denominator on the right-hand side do not have a common factor~~, ~~so the answer is:~~	+	{{Displayed math\|\|<math>\frac{2}{7}\cdot \frac{8}{3}=\frac{2\cdot 8}{7\cdot 3}=\frac{16}{21}\,</math>.}}

		+	Note: It is also possible to learn a quick formula for double fractions which says that when the expression is rewritten with just one fraction sign, the denominators in the partial fractions change place,

-	<math>\frac{~~2}{7}~~\~~centerdot~~ \~~frac{8}{3}=~~\frac{2~~\centerdot 8~~}{7~~\centerdot 3~~}=\~~frac{16~~}{~~21}</math>~~	+	{{Displayed math\|\|<math>\frac{\displaystyle\,\frac{2}{7}\,}{\displaystyle\,\frac{3}{8}\,}=\frac{2\cdot 8}{3\cdot 7}\,</math>.}}
-		+
-		+
-	NOTE: It is also possible to learn a quick formula for double fractions which says that when the expression is rewritten with just one fraction sign, the denominators in the partial fractions change place:	+
-		+
-		+
-	~~<math>~~\~~frac{~~\~~frac{2}{7}}{~~\frac{3}{8}}=\frac{2\~~centerdot~~ 8}{3\~~centerdot~~ 7}</math>	+

Ian at 13:23, 11 September 2008

2008-09-11T13:23:14Z

←Older revision		Revision as of 13:23, 11 September 2008
Line 1:		Line 1:
-	{{~~NAVCONTENT_START~~}}	+	Multiply top and bottom of the double fraction by the reciprocal of the denominator.
-	<~~center~~> ~~[[Image~~:~~1_2_4b.gif]]~~ </~~center~~>	+
-	{{~~NAVCONTENT_STOP~~}}	+
		+	<math>\frac{\frac{2}{7}}{\frac{3}{8}}=\frac{\frac{2}{7}\centerdot \frac{8}{3}}{\frac{3}{8}\centerdot \frac{8}{3}}=\frac{2}{7}\centerdot \frac{8}{3}</math>
		+
		+	The numerator and denominator on the right-hand side do not have a common factor, so the answer is:
		+
		+
		+	<math>\frac{2}{7}\centerdot \frac{8}{3}=\frac{2\centerdot 8}{7\centerdot 3}=\frac{16}{21}</math>
		+
		+
		+	NOTE: It is also possible to learn a quick formula for double fractions which says that when the expression is rewritten with just one fraction sign, the denominators in the partial fractions change place:
		+
		+
		+	<math>\frac{\frac{2}{7}}{\frac{3}{8}}=\frac{2\centerdot 8}{3\centerdot 7}</math>

Tekbot: Lösning 1.2:4b moved to Solution 1.2:4b: Robot: moved page

2008-09-09T08:18:43Z

Lösning 1.2:4b moved to Solution 1.2:4b: Robot: moved page

←Older revision

Revision as of 08:18, 9 September 2008

Tekbot: Robot: Automated text replacement (-[[Bild: +[[Image:)

2008-08-21T06:26:29Z

Robot: Automated text replacement (-[[Bild: +[[Image:)

←Older revision		Revision as of 06:26, 21 August 2008
Line 1:		Line 1:
	{{NAVCONTENT_START}}		{{NAVCONTENT_START}}
-	<center> [[~~Bild~~:1_2_4b.gif]] </center>	+	<center> [[Image:1_2_4b.gif]] </center>
	{{NAVCONTENT_STOP}}		{{NAVCONTENT_STOP}}

Lina: Ny sida: {{NAVCONTENT_START}} Bild:1_2_4b.gif {{NAVCONTENT_STOP}}

2008-03-26T10:05:02Z

Ny sida: {{NAVCONTENT_START}} <center> Bild:1_2_4b.gif </center> {{NAVCONTENT_STOP}}

New page

{{NAVCONTENT_START}}
<center> [[Bild:1_2_4b.gif]] </center>
{{NAVCONTENT_STOP}}