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048_G3U05_WB_CA_˙—» ¿º 2011.4.5 6:38 PM ˘ ` 13 PDF_In 2540DPI 150LPI T 048-B7-1
1. Solve the problem.
5,032-2,873+1,628
2. Add. Find and correct the mistake.
221
4,7 7 8
1,2 8 3
+2,9 5 6
7,8 1 7
3. Use the rule to solve the problem.
A BAAB
3,113 1,635
1. Solve the problem.
5,032-2,873+1,628
2. Add. Find and correct the mistake.
221
4,7 7 8
1,2 8 3
+2,9 5 6
7,8 1 7
3. Use the rule to solve the problem.
A BAAB
3,113 1,635
