Kết quả của biểu thức là:
Đọc tiếp
Kết quả của biểu thức |
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là:Những câu hỏi liên quan
Bài 1: Khoanh tròn vào đáp án đúng trong các đáp án sau:
Kết quả của biểu thức: là:
Bài 2: Tìm x, biết:
Bài 3: Kết quả của biểu thức là:
Đọc tiếp
Bài 1: Khoanh tròn vào đáp án đúng trong các đáp án sau:
Kết quả của biểu thức: 
là:
Bài 2: Tìm x, biết:
Bài 3: Kết quả của biểu thức 
là:
`@` `\text {Ans}`
`\downarrow`
`1,`
`A = 2/5 + (-4/3) + (-1/2)`
`= -14/15 + (-1/2)`
`= -43/30`
Vậy, `A = -43/30`
`=> C.`
`2,`
`a.`
`x + 1/3 = 2/5 - (-1/3)`
`=> x + 1/3 = 2/5 + 1/3`
`=> x + 1/3 = 11/15`
`=> x = 11/15 - 1/3`
`=> x = 2/5`
Vậy, `x= 2/5`
`b.`
`3/7 - x = 1/4 - (-3/5)`
`=> x = 3/7 - (1/4 + 3/5)`
`=> x = 3/7 - 17/20`
`=> x = -59/140`
Vậy, `x = -59/140`
`3,`
` B = (-5/9)*3/11 + (-13/18)*3/11`
`= 3/11*(-5/9 - 13/18)`
`= 3/11*(-10/18 - 13/18)`
`= 3/11* (-23/18)`
`= -23/66`
Vậy, `B = -23/66`
`=> C.`
`@` `\text {Kaizuu lv uuu}`
Đúng 1
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Câu 8 : Kết quả của biểu thức : 4/3 : 3/6 x 3/8 là :
GHI KẾT QUẢ NHÉ!!
Xem thêm câu trả lời
cho biểu thức 2 nhân 4/7 + 2/14 kết quả của biểu thức là
Hãy viết 1 chương trình Pascal để tìm kết quả của biểu thức sau: (x-2)\(^2\)(x+2)+(x+2),x là số được nhập từ bàn phím.Sau đó in ra màn hình kết quả của biểu thức.
Program T_J;
Uses crt;
Var x:real;
Begin
Clrscr;
write('Nhap so x = '); readln(x);
writeln(' ket qua cua bieu thuc (',x,'-2)^2(',x,' + 2) + ( ',x,' + 2) la ',(x - 2)*(x-2)*(x+2)+(x+2));
readln
end.
Đúng 1
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Hãy ấn lần lượt các phím sau:
a) Kết quả thu được là: …….....
b) Kết quả đó là giá trị của biểu thức: ………………….
a) Kết quả thu được là: 9,35.
b) Kết quả đó là giá trị của biểu thức: 3 × 6 : 1,6 – 1,9
Đúng 0
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Kết quả của biểu thức
1
-
7
2
là: A.1 -
7
B.
7
- 1 C.2(
7
+ 1) D.6
Đọc tiếp
Kết quả của biểu thức 1 - 7 2 là:
A.1 - 7
B. 7 - 1
C.2( 7 + 1)
D.6
Kết quả rút gọn của biểu thức 
là
A . 1
B. -2
C. 0
D. 3
Kết quả của biểu thức 7 8 + 9 2 : 4 5 là
A. 52/8
B. 45/8
C. 4/50
D. 43/8
Kết quả của rút gọn biểu thức
6
x
2
y
2
8
x
y
5
là ? A.
6
8
B.
3
x
4
y
3
C. ...
Đọc tiếp
Kết quả của rút gọn biểu thức 6 x 2 y 2 8 x y 5 là ?
A. 6 8
B. 3 x 4 y 3
C. 2 x y 2
D. x 2 y 2 x y 5
