Excel formula or Vba to Sum of all lookup value from multiple excelsheet -


i need below scenario,

  1. sheet1 a2 has date
  2. sheet2 , sheet3 has dates in column , numbers in column b

example below, enter image description here

i want sum value sheet2 & sheet3 b column values in sheet1 a2 if finds in sheet2 & sheet3 a.

below formula can sum sheet2 not able both sheet2 , sheet3.

{=sum((sheet2!$b$2:$b$65500)*(sheet2!$a$2:$a$65500='sheet1'!a2))}

please in formula or vba, thanks

can't add two?

in b2 of sheet 1

=sumif(sheet2!a:a,a2,sheet2!b:b)+sumif(sheet3!a:a,a2,sheet3!b:b)

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