Sagot :
Answer:
1.B. 212
159 + 98 = 257 - 45 = 212
2. A. 150
9 × 11 = 99 + 51 = 150
3. B. 10
since 1 dozen = 12 which means
5 × 12 = 60
60 ÷ 6 = 10
4. D. 15
10 × 3 = 30
30 ÷ 2 = 15
5. D. 211
250 - 189 = 61
150 + 61 = 211
Step-by-step explanation:
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