\(a.24.64+36.24-100.24\)
\(=24.\left(64+36-100\right)\)
\(=24.0\)
\(=0\)
\(b.5.4^2-16:2^2\)
\(=5.16-16:4\)
\(=80-4\)
\(=76\)
Hok tốt
a, 24.64+36.24-100.24
=24.(64+36-1000
=24.0
=0
b, 5.4^2-16:2^2
=80-4
=76
a, 24 . 64 + 36 . 24 - 100 . 24
= 24 . ( 64 + 36 ) - 100
= 24 . ( 100 - 100 )
= 24 . 0
= 0
\(a,24\cdot64+36\cdot24-100\cdot24\)
\(=24\cdot\left(64+36-100\right)\)
\(=24\cdot0\)
\(=0\)
b , 5 . 42 - 16 : 22
= 5 . 16 - 42 : 22
= 80 - 16 : 4
= 80 - 4
= 76
Học tốt
\(b,5\cdot4^2-16:2^2\)
\(=5\cdot16-16:4\)
\(=5\cdot16-16\cdot\frac{1}{4}\)
\(=16\cdot\left(5-\frac{1}{4}\right)\)
\(=16\cdot\frac{19}{4}\)
\(=76\)
tớ nghĩ là \(16\cdot2^2\)mới đúng
24 . 64 + 36 . 24 - 100 . 24
= 24 . (64 + 36 - 100)
= 24 . 0 = 0
5 . 42 - 16 : 22
= 5 . 16 - 16 : 4
= 80 - 4 = 76
a) 24.64+36.24-100.24
=24. ( 64+36-100)
=24. 0
=0
b) 5.4^2 - 16: 2^2
=5. 16 - 16 : 4
=80 - 4
=76
a) 24 . 64 + 36 . 24 - 100 . 24
= 24 . ( 64 + 36 - 100 )
= 24 . 0
= 0
b) \(5.4^2-16:2^2\)
= \(5.16-16:4\)
= 80 - 4
= 76
