Question

Fill in the placeholders:
ones
I tens + 7 ones= __ ones
3 tens + 5 ones= __ tens +15 ones
2 tens + 6 ones = __ tens + 16 ones
7 tens + 9 ones = 6 tens +__ ones
6 tens + 3 ones = 5 tens +___ ones
9 tens= 8 tens +__ ones
7 tens + 5 ones=7__tens + 15 ones​​

Answer 1

Answer:

a- 7

b- 1

c-2

d- 9

Step-by-step explanation:

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