medium Set 72 Form Exercise

86 = 85 + __

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Answer: 1

SubType
number-bonds
Total
86
KnownPart
85
MissingPart
1
Difficulty
normal

Number bond: 76 = ? + 35

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Answer: 41

SubType
number-bonds
Total
76
KnownPart
35
MissingPart
41
Difficulty
normal

65 = __ + 7

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Answer: 58

SubType
number-bonds
Total
65
KnownPart
7
MissingPart
58
Difficulty
normal

54 = __ + 7

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Answer: 47

SubType
number-bonds
Total
54
KnownPart
7
MissingPart
47
Difficulty
normal

81 = __ + 53

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Answer: 28

SubType
number-bonds
Total
81
KnownPart
53
MissingPart
28
Difficulty
normal

10 = __ + 1

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Answer: 9

SubType
number-bonds
Total
10
KnownPart
1
MissingPart
9
Difficulty
normal

71 = __ + 59

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Answer: 12

SubType
number-bonds
Total
71
KnownPart
59
MissingPart
12
Difficulty
normal

Complete the number bond: 23 = __ + 12

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Answer: 11

SubType
number-bonds
Total
23
KnownPart
12
MissingPart
11
Difficulty
normal