medium Set 2 Form Exercise
01
229 - 226 = ___
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3

02
259 + 599 = ___
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858

03
291 - 190 = ___
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101

04
321 + 289 = ___
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610

05
353 - 198 = ___
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155

06
383 + 256 = ___
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639

07
415 - 136 = ___
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279

08
445 + 335 = ___
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780

09
477 - 150 = ___
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327

10
507 + 436 = ___
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943

11
145 + 182 = ___
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327

12
177 - 28 = ___
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149

13
207 + 751 = ___
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958

14
239 - 72 = ___
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167

15
269 + 528 = ___
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797

16
301 - 172 = ___
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129

17
331 + 578 = ___
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909

18
363 - 56 = ___
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307

19
393 + 491 = ___
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884

20
425 - 412 = ___
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13