-(660 +230) + +
- 665 +232 - 992 .
3. Add the following numbers by counting in 10s:
(b) 176 and
(a) 62 and 25.
176
62 + 25
62 +
72 +
+
1
(c) 422 and 34
(d) 345 +
+
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itni maths nahi aati mujhe
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