emblemhacks
20.08.2019 •
Mathematics
Write an expression that can be used to find 4 x 275 using mental math and properties of numbers.
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Ответ:
(4×200)+(4×70)+(4×5)
Explanation
275 can be written as 200+70+5. You can simply this multiplication using the distributive property of multiplication.
4×275=4(200+70+5)
=(4×200)+(4×70)+(4×5)
=800+280+20
=1100
Ответ: