24-02-2015
English

Answered

write an expression used to find 4x275 using mental math and properties of numbers

Answer :

tapaynga tapaynga

28-02-2015

4×275=?
   the answer

4×200=800
4×70=280
4×5=20    ≡ 800
   280
   20
   ___________
   1100

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