Thuc hien phep tinh
10-[120:3-2(132-117);2]
163-126:{150:3-320:[250-(120+15.6)
nhanh 9 tick giup ik mk can gap
1.Thuc hien phep tinh
a. 407-{[(-132+180):4+9]:3}
a. 407 - {[( -132+180):4+9]:3}
= 407 - {[ 48:4+9]:3}
= 407 - {[ 12+9]:3}
= 407 - { 21:3}
= 407 - 7
= 400.
a. 407-{[(-132+180):4+9]:3}
= 407-{[48:4+9]:3}
=407-{[12+9]:3}
=407-{21:3}
=407-7
=400
Thuc hien phep tinh
a) 132(116-(132-128)^2)
b)4^2.102-4^3.17-4^2.34
c)7^3.9+3^2.7^4-4^5.539
d)2^3.5^2+75.2^3-100.7
Giải hộ mình nha
thuc hien phep tinh
a. 2 nhan 7 mu 2 - 16 nhan 2 mu 3
b. 17 nhan 120 + 17 nhan ( -20 )
a) 2 nhân 7 mũ 2 - 16 nhân 2 mũ 3
= 98 - 128
= - 30
2.7^2-16.2^3
= 2.49-16.8
= 98 - 128
= -30
b) 17 nhân 120 + 17 nhân ( -20 )
= 2040 + 17 nhân 20
= 2040 + 340
= 2380
thuc hien phep tinh bang cach hop ly(neu co the) a)248:{[(368+232):120-3]+122}+2011 b) -243+(319:314+28:25)
a) 248: {[( 368+232): 120-3]+122}+2011
=248:{[600:120-3]+122}+2011
=> 248:{ 2+122}+2011
=> 248: 124+2011
=> 2+2011
=> 2013
Thuc hien phep tinh
A/-120 - 18×(-5+6)
B/465+(-38)+(-465)+10+(-42)
A, ( - 120 ) - 18 x ( - 5 + 6 )
= ( - 120 ) - 18 x 1
= ( - 120 ) - 18
= - 138
B, 465 + ( - 38 ) + ( - 465 ) + 10 + ( - 42 )
= 0 + ( - 38 ) + 10 + ( - 42 )
= ( - 80 ) + 10
= - 70
1)thuc hien phep tinh sau
a) A=54+(-72)+65+31+(-28)+120
A = ( 54 + 65 + 31 ) + ( -72+-28) + 120
A = 150+-100 + 120
A = 50 + 120
A = 170
Thuc hien phep tinh sau bang cach hop li nhat:
a)5/11+1/2+2/5+6/11+3/4+16/25+5/16
b)19/4+37/100+1/8+132/25+5/2+37/12
5/11+1/2+2/5+6/11+3/4+16/25+5/16
=1441/400
19/4+37/100+1/8+132/25+5/2+37/12
=1933/120
Ban lam sao duooc nhu the giai ra cho minh voi
thuc hien phep chia da thuc x^3+x^2-2x cho da thuc x+2
Thuc hien phep tinh 1 cach hop li
a, 120 - ( 61) × (-2)^3 × ( -1)^ 2n ( n thuoc N*)
b, 136 × (-47) +36 × 47
c, (-48) + 72 +36 + (-304)
b) \(=-47\left(136-36\right)\)
=\(-47.100=-4700\)