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36.28+64.141+36.72-64.41
=36.28+36.72+64.141-64.41
=36.(28+72)+64.(141-41)
=36.100+64.100
=(36+64).100
=100.100
=10000
tích cho mik nha các bn ^^
36(28+72)+64(141-41)
=36.100+64.100
=100(36+64)
=100.100
=10000
a, \(18:3-3.\left(51:17\right)=6-3.3\)
\(=6-9=-3\)
\(b,25-200:50.4=25-4.4\)
\(=25-16=9\)
\(c,77.25+65.77+77.10=77.\left(25+65+10\right)\)
\(=77.100=7700\)
\(d,36.72+36.28-28.100=36.\left(72+28\right)-28.100\)
\(=36.100-28.100=\left(36-28\right).100\)
\(=8.100=800\)
A.18:3-3.(51:17)
=18:3-3.3
=6-1=5
b.
b 25-200:50.4
=25-2.4
=25-8
=17
c 77.25+65.77+77.10
=77.(25+65+10)
=77.100
=7700
d 36.72+36.28-28.100
=36.72+36.(28-28).100
=36.72+36.0.100
=36.72.0.100
=0
a)
\(25\times189-25\times88-25\)
\(=25\times\left(189-88-1\right)\)
\(=25\times100\)
\(=2500\)
b)
\(38\times66-38\times56+62\times65-62\times55\)
\(=38\times\left(66-56\right)+62\times\left(65-55\right)\)
\(=38\times10+62\times10\)
\(=10\times\left(38+62\right)\)
\(=10\times100\)
\(=1000\)
c)
\(29\times69+29\times31-23\times100\)
\(=29\times\left(69+31\right)-23\times100\)
\(=29\times100-23\times100\)
\(=100\times\left(29-23\right)\)
\(=100\times6\)
\(=600\)
d)
\(\left(519\times288-516\times288\right)\div288\)
\(=288\times\left(519-516\right)\div288\)
\(=288\times3\div288\)
\(=3\)
36.28 + 36.82 + 64.69 + 64.41
= (36.28 + 36. 82) + ( 64.69 + 64.41)
= 36.(28 + 82) + 64.(69 + 41)
= 36.110 + 64.110 = 110.( 36 + 64 ) = 110.100 = 11000
36.28 + 36.82 + 64.69 + 64.41 = 36.(28 + 82) + 64.(69 + 41) = 36.110 + 64.110 = (36 + 64).110 = 100.110 = 11000
\(36x28+36x82+64x69+64x41\)
\(=36x\left(28+82\right)+64x\left(69+41\right)\)
\(=36x110+64x110\)
\(=\left(36+64\right)x110\)
\(=100x110\)
\(=11000\)
a)=24.31+24.42+24.27=24.(31+42+27)=24.100=2400
b)=36.(28+82)+64.(69+41)=36.110+64.110=110.(36+64)=110.100=11000
a ) = 24 . 31 + 24.42 + 24.27
= 24 . ( 31+42+27)
=24.100
= 2400
b) = 36.( 28+82) + 64.( 69+41)
= 36.101 + 64.101
=101.( 36+64)
=101.100
=10100
36.28 + 36.72 + 23.100 + 21.100
= 36 . 100 + 23 . 100 + 21 . 100
= 80.100
= 8000
=36 . (28+72)+100.(23+21)
=36.100+100.44
=100.(36+44)
=100.80
=8000