35 - 9 + 18 =
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\(18.15+35+15.32+35.4+9\)
\(=\left(18.15+15.32\right)+\left(35+35.4\right)+9\)
\(=\left[15.\left(18+32\right)\right]+\left[35.\left(1+4\right)\right]+9\)
\(=\left[15.50\right]+\left[35.5\right]+9\)
\(=750+175+9\)
\(=934\)
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Chọn C
− 37 + 17 . − 9 + 35. − 9 − 11 = − 20. − 9 + 35. − 20 = − 20. − 9 + 35 = − 20.26 = − 520
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`9/14+19/18+19/14+35/18`
`=(9/14+19/14)+(19/18+35/18)`
`=28/14+54/18`
`=2+3`
`=5`
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`35 xx 18 - 9 xx 70 + 100`
`=(35 xx 9 xx 2)-(9 xx 35 xx2)+100`
`=0+100`
`=100`
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a: 6^9=(6^3)^3=216^3>15^3
B: 6^36=(6^2)^18=36^18>35^18
c: 7^18=(7^2)^9=49^9>30^9
d: 3^500=243^100
7^300=343^100
=>3^500<7^300
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35x18-9x35x2+100
= 35x18-9x2x35+100
= 35x18-18x35+100
= 35x0x35+100
= 0x35+100
= 0+100
= 100
nhớ đ cho mik nha
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\(\left(-\dfrac{1}{2}\right)-\left(-\dfrac{3}{5}\right)+9-\dfrac{1}{9}+\dfrac{1}{71}-\left(-\dfrac{2}{7}\right)+\dfrac{4}{35}-\dfrac{7}{18}\)
\(=\left(-\dfrac{22635}{44730}\right)-\left(-\dfrac{26838}{44730}\right)+\dfrac{402570}{44730}-\dfrac{4970}{44730}+\dfrac{630}{44730}-\left(-\dfrac{12780}{44730}\right)+\dfrac{5112}{44730}-\dfrac{35784}{44730}\)
\(=\left(-\dfrac{22635}{44730}\right)+\dfrac{26838}{44730}+\dfrac{402570}{44730}-\dfrac{4970}{44730}+\dfrac{630}{44730}+\dfrac{12780}{44730}+\dfrac{5112}{44730}-\dfrac{35784}{44730}\)
\(=\dfrac{-22635+26838+402570-4970+630+12780+5512-35784}{44730}\)
\(=\dfrac{384941}{44730}\)
bằng 44
35 - 9 + 18 = 44