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(82-41.2):36.(32+17+99-81+1)
=0X(32+17+99-81+1)=0(tick nhe)
b,
= (4,5 x16 - 1,7) : (4,5 x 15 - 1,7)
= 1
c,
= ( 82 - 82 ) : 36 x ( 32 + 17 + 99 - 81 + 1 )
= 0 : 36 x ( 32 + 17 + 99 - 81 + 1 )
= 0 x ( 32 + 17 + 99 - 81 + 1 )
= 0
d,
= (30 : 7,5 + 0,5 x 3 - 1,5) x (4,5 - 4,5)
= (30 : 7,5 + 0,5 x 3 - 1,5) x 0
= 0
b, ( 4,5 .x 16 - 1,7 ) : ( 4,5 x 15 + 2,8 - 4,5)
( 4,5 x16 - 1,7) : ( 4,5 x 15 - 1,7 ) = 1
=(81-81):36x(32+17+99-81+1)
=0:36x(32+17+99-81+1)
=0
k nha
\(36.28+36.82+64.69+64.41\)
\(=36.\left(28+82\right)+64.\left(69+41\right)\)
\(=36.110+64.110\)
\(=110.\left(36+64\right)\)
\(=110.100\)
\(=11000\)
=36x(28+82)+64x(69+41)
=36x110+64x110
=110x(26+64)
=110x100
=11000
**** bn hiền
36x28+36x82+64x69+64x41
=36x(28+82)+64x(69+41)
=36x110+64x110
=110x(36+64)
=110x100
=11000
Bài 1 :
a) 37581 - 9999 = 37581 - 10000 - 1 = 27581 - 1 = 27580
k cho mình nha bạn !
a)37581-9999=37581-(9999+1-1)=37581-(10000+1)=37581-10000-1=27581+1=27582
36 * 28 + 36 * 82 + 64 * 69 + 64 * 41
= 36 * ( 28 + 82 ) + 64 * ( 69 + 41 )
= 36 * 110 + 64 * 110
= 110 * ( 36 + 64 )
= 110 * 100
= 11000
=36x(28+82)+64x(69+41)
=36x110+64x110
=110x(36+64)
110x100
=11000
36x28+36x82+64x69+64x41
=36x(28+82)+64x(69+41)
=36x110+64x110
=110x(36+64)
=110x100
=11 000
\(\left(82-41\cdot2\right):36\cdot\left(32+17+99-81+1\right)\)
\(=\left(82-82\right):36\cdot\left[\left(32+17+1\right)+99-81\right]\)
\(=0:36\cdot\left[\left(32+17+1\right)+99-81\right]\)
\(=0\cdot\left[\left(32+17+1\right)+99-81\right]\)
\(=0\)
Học tốt !!!