20+20+20+20+20+20+20+20+80+90+1234+78
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Answered by
1
Answer:
1642
Step-by-step explanation:
20+20+20+20+20+20+20+20+80+90+1234+78=1642
Answered by
1
20+20+20+20+20+20+20+20+80+90+1234+78
=>160+80+90+1234+78
=>240+90+1234+78
=>330+1234+78
=>1564+78
=>1642
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