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a ) 5 x 216 x 25 x 4 = 1080 x 100 = 108000
b ) 37 x 16 x 25 x 4 = 592 x 100 = 59200
c ) 36 x ( 28 + 82 ) + 64 x ( 69 + 41 ) = 36 x 110 + 64 x 110 = ( 36 + 64 ) x 110 = 100 x 110 = 11000
d ) 42 x ( 53 + 36 + 11 ) = 42 x 100 = 4200
e) 37 x 45 + 56 x 37 - 37 x 1 = 37 x ( 45 + 56 - 1 ) = 37 x 100 = 3700
h) 17 x 1 + 17 x 81 + 18 x 17 = 17 x ( 1 + 81 + 18 ) = 17 x 100 = 1700
Mik nhanh nhất đấy , nhớ click cho mik nha !!!!!!!!!!!!!!!!!!!
a) 5 x 25 x 216 x 4
= ( 5 x 216 ) x ( 25 x 4 )
= 1080 x 100
= 108000
b) 4 x 37 x 25 x 16
= ( 4 x 25 ) x ( 37 x 16 )
= 100 x 592
= 59200
\(=2^6.2.41.\left[\left(2^2\right)^3:2^5.2^4\right]\)
\(=2^7.41.\left(2^6:2^5.2^4\right)\)
\(=2^7.41.\left(2^6:2^5.2^4\right)\)
\(=2^7.41.2^5\)
\(=2^{12}.41\)
\(64.82:\left(4^3:2^5.16\right)\)
\(=2^6.2.41:\left[\left(2^2\right)^3:2^5.2^4\right]\)
\(=2^7.41:\left(2^6:2^5.2^4\right)\)
\(=2^7.41:2^5\)
\(=\left(2^7:2^5\right).41\)
\(=2^2.41\)
\(=164\)
a: =-64(32+68)=64x100=-6400
b: =76(-54-12+36)=76x(-30)=-2380
c: =19x50+38x5=950+190=1140
KQ là \(-\frac{61}{16}\)
mk ko bít bạn có cần lời giải ko mk chỉ vít kq hoi
có j nếu cần lời giải ns mk ha
\(4\frac{25}{16_{ }}+25.\left(\frac{9}{16}-\frac{117}{64}\right):\frac{27}{8}\)
=\(\frac{25}{4}+25.\left(\frac{36}{64}-\frac{117}{64}\right):\frac{27}{8}\)
=\(\frac{25}{4}+25.\left(\frac{-81}{64}\right):\frac{28}{7}\)
=\(\frac{25}{4}+\left(\frac{-2025}{64}\right).\frac{7}{28}\)
=\(\frac{25}{4}+\left(\frac{-2025}{256}\right)\)
=\(\frac{1600}{256}-\frac{2025}{256}\)
=\(\frac{-425}{256}\)
bn xem có đúng k nhé!
\(0,75-2+\frac{3}{4}+25\%-\frac{16}{64}-\left(-2\right)\)
\(=\frac{3}{4}-2+\frac{3}{4}+\frac{1}{4}-\frac{1}{4}+2\)
\(=\left(\frac{3}{4}+\frac{3}{4}\right)+\left(-2+2\right)+\left(\frac{1}{4}-\frac{1}{4}\right)\)
\(=\frac{3}{2}+0+0\)
\(=\frac{3}{2}\)
\(2575+37-2576-29\)
\(=2612-2576-29\)
\(=36-29=7\)'
\(35+35+36+37-14-15-16-17\)
\(=70+\left(36-16\right)+\left(37-17\right)-14-15\)
\(=70+20+20-14-15\)
\(=90+6-15\)
\(=96-15=81\)
\(13\cdot\left(-12\right)+87.\left(-12\right)\)
\(=\left(-12\right)\cdot\left(13+87\right)\)
\(=\left(-12\right)\cdot100=-1200\)
\(26\cdot17+17\cdot74\)
\(=\left(26+74\right)\cdot17\)
\(=100\cdot17=1700\)
\(25\cdot\left(-18\right)+25\left(-82\right)\)
\(=25\cdot\left[\left(-18\right)+\left(-82\right)\right]\)
\(=25\cdot\left(-100\right)=\left(-2500\right)\)
\(25+37-48-25-37\)
\(=\left(25-25\right)+\left(37-37\right)-48\)
\(=0+0-48\)
\(=0-48=\left(-48\right)\)
\(\left(-16\right)+24+16-34\)
\(=\left[\left(-16\right)+16\right]+\left(24-34\right)\)
\(=0+\left(-10\right)=\left(-10\right)\)
\(16\cdot64\cdot8^2:(4^3\cdot2^5\cdot16)\)
\(=4^2\cdot8^2\cdot8^2:(4^3\cdot2^5\cdot4^2)\)
\(=4^2\cdot4096:(64\cdot32\cdot16)\)
\(=16\cdot4096:32768\)
\(=2\)
16 . 64 . 82 : ( 43 . 25 . 16 )
= 24 . 26 . 64 : ( 64 . 25 . 24 )
= 24 . 26 . 26 : ( 26 . 25 . 24 )
= 216 : 215
= 2