核心提示: 9×5-26= 9×5-5= 4×1+29=
9×5-26=
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9×5-5=
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4×1+29=
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7-5×0=
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8×3+39=
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1×0+9=
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80+15-52=
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29-1×2=
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16+7×3=
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4+5×6=
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7×7-24=
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8×4+72=
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