èy?ê????2áêy?§ê??ù×÷òμ′e°?
?????úó??ìμ?ê??ù?D, ?￡í??????ü°′ê±è???μ?íê3éê??ù×÷òμ?￡????ê?ó|?ì±?òμéú??ê?í?D?±à?a′ó?ò·??íμ?èy?ê????2áêy?§ê??ù×÷òμ′e°?￡??￡í???′ó?òóD°??ú?￡
????μú8ò3
【資料圖】
????ò??￠?±?óD′μ?êy?￡
????960 600
????720 690
????1500 1000
????32 16
????10 7……4
????24 15
?????t?￠?úà¨o?à?ì?é?o?êêμ?μ￥????3??￡
????1. 2(?×)
????2. 2(·??×)
????3. 3(??·??×)
????4. 20(?×)
????5. 5(·??×) 25(??·?·??×)
????6. (??·??×)
????7. 18(??·?·??×)
????8. 18(à??×) 12(à??×) 216(??·?à??×)
????èy?￠×???éú???￡
????1. 6×4=24(??)
????24??=24??
????′e￡o6á?3μ×?±?24????×ó1?á??￡
????2. 1?§?×=1000?×
????1000÷5=200(?×)
????′e￡o?????ù??·??ó?ü200?×?￡
????μú9ò3
????ò??￠?ò?áì??￡
????1. (á?)??êy (èy)??êy
????2. (ê?)?? (á?)??êy
????3. (0)
?????t?￠?á?e±-?￡
????0
????11 720
????240 22 180
????990 4200 80 640
????èy?￠êy?§ò??o?￡
????è?′í!
???????a￡o
????1 8 0 1 0 7 1 1 4
????2)3 6 0 4)4 2 8 4)4 5 6
????2 4 4
????1 6 2 8 5
????1 6 2 8 4
????0 0 1 6
????1 6
????0
????μú10ò3
????ò??￠?áè??e??3×?￡
?????aê? 27→440
????→ 36→850
????→1000→107
????→ 130→?ù
?????t?￠?′?-í?μ?×?￡?ó???á?ò?á??￡
?????yD?óú600￡o42×11?￠29×11
?????y′óóú600￡o32×21?￠38×29
????èy?￠×???éú???￡
????80×12÷6
????=960÷6
????=160(?§??)
????′e￡o???ù??′???160?§???￡
????μú11ò3
????ò??￠?ò?óó?￡?ó???á?ò?á??￡
????25×4=100 4×6-8=16
????480÷4=120 (70-20)×6=300
????0÷70=0 100-50÷2=75
????240÷4=60
?????t?￠?òà′???￡
????1. C
????2. D
????3. B
????èy?￠ó?êúê??????￡(′??ùo?μ?òa?é???￡)
????612(?é??) 105……2(?é??)
????810 63……2
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