3/2 nha

a)diện tích sơn các mặt xung quanh của hộp màu đỏ là :

         (25+15)x2x18=1440(m²)

diện tích mặt đáy màu trắng là:

        25x15=375(m²)

b)diện tích tôn dùng để làm hộp là :

       1440+375=1815(m²)

              Đáp số: a)1440m²;375m²

                            b)1815m²

mình vèo đựt hogg:))

APOLLO

40 nha:))

The Betta fish shop is in Binh Dinh

x^6=8*x^3

x^6:x^3=8

x^6-3=8

x^3=8

x^3=2^3

x=2

what is mai's favourite sport?

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24B 25B 26A 27C 28A 29B 30C 31C 32C