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Taya2010 [7]
3 years ago
8

Break apart he addends to find the sum

History
2 answers:
morpeh [17]3 years ago
8 0
1.) 18–> 10+8 2.) 33–> 30+3
21–> 20+1 49–> 40+9
———— ————
30+9= 39 70+12= 82
Hope this helps!
If so mark a brainslest!!
scZoUnD [109]3 years ago
4 0
Im not sure im doing this correctly but...

9 + 9                                            13 + 20
9 + 11                                          20 + 29
_______                                    ________
18 + 21 = 39                             33 + 49 = 82
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