A= 2014 * {128 * 68 - 64 * 136}+2015
Tính A = 2014 x (128 x 68 - 64 x 136) + 2015
A = 2014 x (128 x 68 - 64 x 136) + 2015
A=2014x(8704-8704)+2015
A=2014x0+2015
A=0+2015
A=2015
Tính A = 2014 x (128 x 68 - 64 x 136) + 2015
=2014x(8704-8704)+2015
=2014x0+2015
=0+2015=2015
Tính A = 2014 x (128 x 68 - 64 x 136) + 2015
A = 2014 x ( 128 x 68 - 64 x 136 ) + 2015
= 2014 x ( 128 x 68 - 64 x 2 x 136 : 2 ) + 2015
= 2014 x ( 128 x 68 - 128 x 68 ) + 2015
= 2014 x 0 + 2015
= 0 + 2015 = 2015
A= 2014 * {128 * 68 - 64 * 136}+2015
TỚ SẼ LIKE CHO
A = 2014 x ( 128 x 68 - 64 x 136 ) + 2015
A = 2014 x 0 + 2015
A = 0 + 2015
A = 2015
Chúc bạn học tốt !
= 2014 x ( 8704 - 8704 ) + 2015
= 2014 x 0 + 2015
A = 0 + 2015 = 2015
Tính A = 2014 x (128 x 68 - 64 x 136) + 2015 Giúp mình nha
A = 2014 x (128 x 68 - 64 x 136) + 2015
A = 2014 x 0 + 2015
A = 0 + 2015
A = 2015
Tính A = 2014 x (128 x 68 - 64 x 136) + 2015
2014 x (128 x 68 - 64 x 136) + 2015
2014 x (8704 - 8704) + 2015
2014 x 0 + 2015
0 + 2015
= 2015
A = 2015
Tính hợp lí:
a) 1 + 2 + 3 + 4 + ... + 2014 + 2015
b) 5 + 10 + 15 + ... + 2010 + 2015
c) 140 + 136 + 132 + ... + 64 + 60
thực hiện phép tính bằng cách hợp lí (nếu có thể)
a,136:{[(468+332):160-5]+68}+2014
b,160-(6x5^2-3x2^3)+2015^0
thực hiện phép tính bằng cách hợp lí (nếu có thể)
a,136:{[(468+332):160-5]+68}+2014
= 136 : { [ ( 468 + 332 ) : 160 - 5 ] + 68 } + 2014
= 136 : { [ 800 : 160 - 5 ] + 68 } + 2014
= 136 : { [ 5 - 5 ] + 68 } + 2014
= 136 : { 0 + 68 } + 2014
= 136 : 68 + 2014
= 2 + 2014
= 2016
\(136:\left\{\left[\left(468+332\right):160-5\right]+68\right\}+2014\)
\(=136:\left[\left(800:160-5\right)+68\right]+2014\)
\(=136:\left[\left(5-5\right)+68\right]+2014\)
\(=136:\left(0+68\right)+2014\)
\(=136:68+2014=2+2014\)
\(=2016\)
\(136:\left\{\left[\left(468+332\right):160-5\right]+68\right\}+2014\)
\(=136:\left\{\left[800:160-5\right]+68\right\}+2014\)
\(=136:\left\{\left[5-5\right]+68\right\}+2014\)
\(=136:\left\{0+68\right\}+2014\)
\(=136:68+2014\)
\(=2+2014\)
\(=2016\)
bài 1 tính hợp lý
3200:40+60:15-135:5+7
36*68+56*64*......-36*12
S=2018+2016+2014+....+2-2017-2015-3-1