264÷8＋456 640＋60×4 56÷7＋36÷6 500×(400－396)
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= = = =
72÷9－5 564+264－453 750-(546+30) 65×9-450
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9×80+980 6700+72÷8 14+9×5 900÷(71-68)
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=
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8×(910-720) 760-540+110 ÷ 126＋45 18-42÷6
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=
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－625 945-320-420 650+125-350 240÷ 80 ×3+560
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400 ÷ 8 + 350 ＋ 180 780×－ 160÷2230 ＋ 320÷864
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= = = =
9 6 280+32 × 9 + 320 63 ÷270 3 +15 ÷ 630÷×
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= =
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