Amazing Quiz ChallengeVersión en línea Test your knowledge about the content of 'Amazing' with this fun quiz! por Dayana 1 10 + . . . = 20 a 5 b 10 c 20 2 . . . + 20 = 70 a 40 b 25 c 50 3 90 - . . . =10 a 60 b 40 c 80 4 . . . - 50 = 30 a 80 b 100 c 90 5 20 + . . . = 30 a 5 b 20 c 10 6 50 - . . . = 40 a 100 b 10 c 50 Объяснение 1 20-10=10 2 70 - 20 = 50 3 90 - 10 = 80 4 50 + 30 = 80 5 30 - 20 = 10 6 50 - 40 = 10
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