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Question:
12÷23+1=\frac{1}{2} \div \frac{2}{3} + 1 = 21÷32+1= ______
A310\frac{3}{10}103
B1121\frac{1}{2}121
C1131\frac{1}{3}131
D1341\frac{3}{4}143
Answer:
1/2 ÷ 2/3 + 1 =1/2 × 3/2 + 1 =3/4 + 1 = 1¾
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