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dem82 [27]
3 years ago
13

Multiply using duplation and mediation. 731 × 54

Mathematics
1 answer:
Oliga [24]3 years ago
4 0
Hey there, 

731 * 10 = 7310 

731 * 20 = 14620 

731 * 5 = 3655 

731 * 25 = 14620 + 3655 = 18275 

731 * 25 = 18275 + 18275 = 36550 
<span><span><span><span>
</span></span></span></span>731 * 2 = 1462 &#10;&#10;731 * 4 = 2924 &#10;&#10;Therefore, 731 * 54 = 36550 + 2924 = 39474<span><span><span><span>
</span></span></span></span>
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