Subtracting 10s

What's on this wheel (6 options)

50-30=
90-40=
70-40=
80-40=
50-30=
20-10=

Keep spinning

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Addition and Subtraction

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Subtracting 3 numbers w/ regrouping

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-OW 1 ORAL EXAM-

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Câu hỏi phản xạ

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B1 SPEAKING PRACTICE

ANSWER THESE QUESTIONS IN MORE THAN 1 MINUTE, SPEAKING.

Câu hỏi phản xạ + kiên thức đơn giản

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