2636+549-564+326-9468x2=?
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Tập hợp toàn số lẻ cũa tập hợp A là:
A={11;53;2649;27} \(\Rightarrow\) tập hợp A có 4 số lẻ
Số tập hơp con của A là:
\(2^4=16\)
Số lớn nhất trong các số 459 495; 459 549; 549 954 và 549 945 là 549 954.
Chọn C.
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\(341.67+341.16+659.83=341\left(67+16\right)+659.83\)
\(=341.83+659.83\)
\(=83\left(341+659\right)\)
\(=83.1000=83000\)
341x67+341x16+659x83
=341x(67+16)+659x83
=341x83+659x83
=83x(341+659)
=83x1000
=83000
nhớ tk mk nhé các bn
`-564-(324-564-224)`
`=-564-324 + 564 + 224`
`=(-564 + 564) + (- 324 +224)`
`= 0 -100`
`=-100`
`#3107.101107`
`-564 + [(-724) + 564 + 224]`
`= -564 - 724 + 564 + 224`
`= (-564 + 564) + (-724 + 224)`
`= -500`
\(-564+\left[\left(-724\right)+564+224\right]\)
\(=-564-724+564+224\)
\(=\left(-564+564\right)+\left(-724+224\right)\)
\(=0-500=-500\)
ket qua cua tui la : -15989