Question

1,5+(-2/5) -$\sqrt{4/100}$

Answer 1

ᴏʟᴀ⏩

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$1.5 + ( - 2 \div 5) - \sqrt{4 \div 100 } \\ 1.5 + ( - 0.4) - \sqrt{ \frac{4}{100} } \\ 1.5 - 0.4 - \sqrt{ \frac{1}{25} } \\ 1.5 - 0.4 - \frac{1}{5} \\ 1.5 - 0.4 - 0.2 \\ = 0.9$

ʀᴇꜱᴘᴏꜱᴛᴀ: 0,9

ꜰᴏʀᴍᴜʟᴀʀɪᴏ ᴀʟᴛᴇʀɴᴀᴛɪᴠᴏ:

$\frac{9}{10}.9 \times 1 {0}^{ - 1}$

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ᴇꜱᴘᴇʀᴏ ᴛᴇʀ ᴀᴊᴜᴅᴀᴅᴏ♣♠