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select="1"><scene name="U2L4-MakingComputersDoMath"><notes></notes><hidden></hidden><headers></headers><code></code><blocks><block-definition s="is %&apos;num1&apos; divisible by %&apos;num2&apos; ?" type="predicate" category="operators"><header></header><code></code><translations></translations><inputs><input type="%s"></input><input type="%s"></input></inputs><script><block s="doReport"><block s="reportVariadicEquals"><list><block s="reportModulus"><block var="num1"/><block var="num2"/></block><l>0</l></list></block></block></script></block-definition><block-definition s="is %&apos;num&apos; even?" type="predicate" category="operators"><header></header><code></code><translations></translations><inputs><input type="%s"></input></inputs><script><block s="doReport"><custom-block s="is %s divisible by %s ?"><block var="num"/><l>2</l></custom-block></block></script></block-definition><block-definition s="Integer? %&apos;num1&apos;" type="predicate" 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%s divisible by %s ?"><block var="num"/><block var="i"/></custom-block><script><block s="doChangeVar"><l>count</l><l>1</l></block></script><list></list></block></script></block><block s="doReport"><block var="count"/></block></script></block-definition><block-definition s="maximum of %&apos;num1&apos; and %&apos;num2&apos;" type="reporter" category="operators"><header></header><code></code><translations></translations><inputs><input type="%n"></input><input type="%n"></input></inputs><script><block s="doIfElse"><block s="reportVariadicGreaterThan"><list><block var="num1"/><block var="num2"/></list></block><script><block s="doReport"><block var="num1"/></block></script><script><block s="doReport"><block var="num2"/></block></script></block></script></block-definition><block-definition s="minimum of %&apos;num1&apos; and %&apos;num2&apos;" type="reporter" category="operators"><header></header><code></code><translations></translations><inputs><input type="%n"></input><input 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var="list"/><block s="reifyReporter"><autolambda><custom-block s="minimum of %n and %n"><l></l><l></l></custom-block></autolambda><list></list></block></block></block></script></block-definition><block-definition s="sum of %&apos;list&apos;" type="reporter" category="lists"><header></header><code></code><translations></translations><inputs><input type="%l"></input></inputs><script><block s="doReport"><block s="reportCombine"><block var="list"/><block s="reifyReporter"><autolambda><block s="reportVariadicSum"><list><l></l><l></l></list></block></autolambda><list></list></block></block></block></script></block-definition><block-definition s="average of %&apos;list&apos;" type="reporter" category="lists"><header></header><code></code><translations></translations><inputs><input type="%l"></input></inputs><script><block s="doReport"><block s="reportQuotient"><custom-block s="sum of %l"><block var="list"/></custom-block><block s="reportListAttribute"><l><option>length</option></l><block var="list"/></block></block></block></script></block-definition><block-definition s="greatest common divisor" type="reporter" category="operators"><header></header><code></code><translations></translations><inputs></inputs><script><block s="doReport"><l></l></block></script></block-definition><block-definition s="greatest common factor of %&apos;num1&apos; and %&apos;num2&apos;" type="reporter" category="operators"><header></header><code></code><translations></translations><inputs><input type="%s"></input><input type="%s"></input></inputs><script><block s="doFor"><l>i</l><block s="reportListItem"><l><option>last</option></l><custom-block s="divisors of %s (2)"><block var="num1"/></custom-block></block><l>1</l><script><block s="doIf"><block s="reportListContainsItem"><custom-block s="divisors of %s (2)"><block var="num2"/></custom-block><block s="reportListItem"><block var="i"/><custom-block s="divisors of %s (2)"><block var="num1"/></custom-block></block></block><script><block 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