107-{38+[7.3^2-24:6+(9-7)^3]}:15
107{38+[7.32-24:6+(9-7)3]};15
107{38 + [7.32 - 24:6 + (9 - 7)3]} : 15
= 107{38 + [7.9 - 24:6 + 23]} : 15
= 107{38 + [63 - 4 + 8]} : 15
= 107{38 + 67} : 15
= 107.105 : 15
= 11235 : 15
= 749
107-{38+[7.32-24:6+(9-7)3 ]}:15
107- { 38 + [ 7.32 -24:6 + ( 9-7)3]} :15
= 107- {38+[ 7.9 - 4 + 23]} :15
=107 - {38 + [ 63 - 4 + 8 ]} :15
=107- { 38 + [ 59 +8 ]}:15
=107- {38 + 67} :15
=107 - 105 : 15
=107 - 7
= 100
Không có gì đâu nhé!!
B2=107-{38+[7.32-24:6+(9-7)3]}:15
sau 5 năm ko có ai giải
107−{38+[7.3^2−24÷6+(9−x)^3]}÷15
Thực hiện các phép tính sau:
a) 107-{38+[7.3^2-24:6+(9-7)^3]}:15
b) 307-[(180-160):2^2+9]:2
c)205-[1200-(4^2-2.3)^3]:40
d)177:[2.(4^2-9)+3^2(15-10)]
e)[(25-2^2.3)+(3^2.4+16)]:5
Cau a la ban hay tinh trong dau ngoac don truoc sau do lam nhoac vuong va lam dau ngoac nhon va tinh cac phep tinh con lai
e)
=[(25-4.3)+(9.4+16)}:5
=[(25-12)+(36+1)]:5
=[13+52]:5
=65:5
=13
d)
=177:[2.(16-9)+9.5]
=177:[2.7+45]
=177:[14+45]
=177:59
=3
c)
=205-[1200-(16-6)3]:40
=205-[1200-103]:40
=205-[1200-1000]:40
=205-200:40
=205-5
=200
b)
=307-[20:4+9]:2
=307-[5+9]:2
=307-14:2
=307-7
=300
a)
=107-{38+[7.9-4+23]}:15
=107-{38+[63-4+8]}:15
=107-{38+[59+8]}:15
=107-{38+67]}:15
=107-105:15
=107-7
=100
324-{38+[7.3-24:6+(9-7)mũ3]}:15
\(324-\left\{38+\left[7\cdot3-24:6+\left(9-7\right)^3\right]\right\}:15\)
\(=324-\left\{38+21-4+2^3\right\}:15\)
\(=324-\left\{38+17+8\right\}:15\)
\(=324-\dfrac{63}{15}=324-4,2=319,8\)
107-{38-[7x3^2-24:6+(9-7)^3]}:15
107 - {38 - [7 x 32 - 24 : 6 + (9 - 7)3]} : 15
= 107 - {38 - [7 x 9 - 4 + 23]} : 15
= 107 - {38 - [63 - 4 + 8]} : 15
= 107 - {38 - [59 + 8]} : 15
= 107 - (38 - 67) : 15
= 107 - (-29) : 15
= 107 - (-1,99)
= 107 + 1,99
= 108,99
107-{38+[7.3^2-24:6+(9-7)^3]}:15
=107-{38+[7.9-24:6+23]} :15
=107-{38+[63-4+8]}:15
=107-{38+67}:15
=107-105:15
=107-7=7
107 - {38 - [7 x 32 - 24 : 6 + (9 - 7)3]} : 15
= 107 - {38 - [7 x 9 - 4 + 23]} : 15
= 107 - {38 - [63 - 4 + 8]} : 15
= 107 - {38 - [59 + 8]} : 15
= 107 - (38 - 67) : 15
= 107 - (-29) : 15
= 107 - (-1,99)
= 107 + 1,99
= 108,99
2345 - 1000 : [19 - 2(21 - 18)2 ]
128 - [68 + 8(37 - 35)2 ] :4
568 - {5[ 143 - (4 - 1)2 ] : 10
107 - {38 + [7.32 - 24 : 6+(9-7)3 ]} : 15
ai giai nhanh duoc tick
1)2345 - 1000 : [19 - 2(21 - 18)2]
=2345 - 1000 : [19 - 2 . 32]
=2345 - 1000 : 1
=2345 - 1000
=1345
2345 - 1000 : [19 - 2(21-18)2 ]
128 - [68 + 8(37 - 352)] : 4
568 - {5[143 - (4 - 1)2 ] + 10 } : 10
107 - {38 + [7.32 - 24 : 6 + (9 - 73 ]} : 15
ai giải nhanh được ticks