Предмет: Алгебра, автор: sashashuman20

найти значение выражения 27,6Х+1,5 при х=2/3

Ответы

Автор ответа: selmash21
0
27.6×2/3+1.5=27 3/5×2/3+1 1/2=
=138/5×2/3=92/5+3/2=
=184/10+15/10=199/10=19 9/10=
19.9
Автор ответа: prettypushkova
0
27,6 = 27 6/10 = 27 3/5 = 138/5
при х = 2/3
27,6х + 1,5 = 138/5 * 2/3 + 1,5 = 276/15 + 1,5 = 18,4 + 1,5 = 19,9

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– Would you like … anything? – I need half … pound of … meat. – Here you are. All … meat is fresh. I can offer you … excellent pork and … beef.
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All … goods used to sell by … pound in … Great Britain but … system has changed. Most … measures are metric now.
I want to pay for … dress. I’ll pay with … hundred-pound note. Can you give … change? supermarket … there.
– Good morning, madam. What can I do … you. – I’d like half … a pound … butter, please.
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Fill in the articles where necessary:
We’d like … pound of … pork and … bottle of … vinegar. We don’t keep … vinegar here at … butcher’s. You’d better go to … grocer’s.
– I am going to do … shopping as we need … cabbage, … tomatoes and … potatoes. – What about … fruit? – I think I should really buy … apples and … grapes.
– Would you like … anything? – I need half … pound of … meat. – Here you are. All … meat is fresh. I can offer you … excellent pork and … beef.
– There is … little sugar left. We need to buy some more at … supermarket. There is … confectionary department where I think they sell … sugar.
All … goods used to sell by … pound in … Great Britain but … system has changed. Most … measures are metric now.
I want to pay for … dress. I’ll pay with … hundred-pound note. Can you give … change?