medium Set 4 Form Exercise
01
10 × 1 = ___
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10

02
79 + 317 = ___
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396

03
111 - 54 = ___
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57

04
4 × 5 = ___
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20

05
203 + 6 = ___
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209

06
235 - 100 = ___
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135

07
8 × 9 = ___
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72

08
467 - 366 = ___
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101

09
10 × 9 = ___
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90

10
373 + 450 = ___
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823

11
343 - 134 = ___
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209

12
6 × 5 = ___
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30

13
249 + 447 = ___
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696

14
219 - 218 = ___
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1

15
2 × 1 = ___
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2