Complement's 5+ (2 digit) 2

Complement's 5+ (2 digit) 2
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  • math

  • Maths

  • Age 6-12

  • level: 1-6

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คำแนะนำของผู้เขียน

+4 = +5 -1
+3 = +5 -2
+2 = +5 -3
+1 = +5 -4