①9.5Χ-3Χ=5.6+7.4
②
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③1-60%Χ=
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6.5x=13,
6.5x÷6.5=13÷6.5,
x=2;
(2)
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x=
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(3)1-60%Χ=
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1-60%x+60%x=
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1-
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x=
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编辑:chaxungu时间:2026-04-27 13:37:55分类:小学数学题库
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