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Debora [2.8K]
3 years ago
8

Questions attached below​

Mathematics
1 answer:
Cerrena [4.2K]3 years ago
8 0

Step-by-step explanation:

1 ) 1/2×4×8

=16

2) 1/2 ×7×6

=21

3)1/2×14×36

=252

4)1/2×25×54

675

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