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705÷7列数式算

705÷7=(700+5)÷7=700÷7+5÷7=100+5/7=100又5/7

705-248=457; 376+568=944; ★1000-89=911; 33÷4=8…1; 45÷7=6…3; 76÷8=9…4;

705-248=457;376+568=944;★1000-89=911;33÷4=8…1;45÷7=6…3;76÷8=9…4;

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