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011_G3U1_G3U1_˙—» ¿º 2011.3.22 8:1 PM ˘ ` 11 PDF_In 2540DPI 150LPI T
1 . Use a mirror and find all the 4-digit mirror numbers. Mirror
What you need:
How many 4-digit mirror numbers are there?
1. About 1,000 11
1 . Use a mirror and find all the 4-digit mirror numbers. Mirror
What you need:
How many 4-digit mirror numbers are there?
1. About 1,000 11
