Question

10. Observe the pattern and fill in the blanks.
1x2
2x3
3x4
1=
1+2= - 1+2+3=
2
2
2
5
(a) 1 + 2 + 3 + 4 =
х
(b) 1 + 2 + 3 + 4 + 5 =
ole
​

Answer 1

Answer:

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