几何图形公式-关于环境保护的论文

2021年1月4日发(作者：唐庚)

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(25+33) ×26
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120×5÷2
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21×3＋410
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60－12×3 64÷8＋456 640
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6500+1250-3500 80
9450-3200-4200
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4000 ÷ 8 + 350 320÷8＋64 270 ÷
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280× 4 ÷5
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120×5÷2
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600×8÷3
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60－12×3
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35－35÷7
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302＋
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434＋
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640＋

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10×4－20÷4
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35÷5＋8×7
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72÷8＋9×5
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15÷3＋10÷5
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72÷9－36÷6
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36÷4＋21×2
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56÷7＋36÷6 500×(400－396) 72÷
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564+264-453
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9×80+980
6700+72÷8
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14×6+9×5
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7650-(546+4530) 65
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9000-(4500+250)
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900÷(71-68) 180

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4000 ÷ 8 + 350
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630 ÷ 9 + 320
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280× 4 ÷5
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960÷4×9
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（72÷9）÷(56÷8)
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60×8+1570
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350÷5×9
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5+1250
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(111＋189)×3
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160－160÷80


125×8÷100


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153÷153+657
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75÷15＋20×5
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3390－10×95
587＋496－674
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32÷(32÷16)
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687＋（99－67）

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1000＋（1000－988） 3560＋20×90
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（250－150）÷(30÷6) 687＋999÷3
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（4870-3675）＋7200÷9 (9467-5642)÷(350÷70)
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960÷4×9 350÷5×9 450÷
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(6900-2400)÷5 75÷15＋20×5 3090
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(111＋189)×3
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(1＋7)×(16－6)
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160－160÷80
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125×8÷100
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75÷15＋20×5
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3390－10×95
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1000＋（1000－988）
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32÷(32÷16) 300
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（150－75）×（25－20）
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687＋（99－67）
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3560＋20×90

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（250－150）÷(30÷6) 687＋999÷3
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