
bai tập toán tử
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Computers
University
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12 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Toán tử gán là cách định nghĩa lại giá trị của giá trị bên trái bằng biểu thức bên.....
Trên
Trái
Phải
Dưới
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Phép gán : X%=A
X=A
X=X%A
X=X/A
X=A%X
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
<?php
$x = 100;
echo $x += 30;
?>
Tìm x?
x=70
x=100
x=30
x=130
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
$x==$y là..
phép gán
$x và $y bằng nhau tuyệt đối
so sánh bằng
so sánh không bằng
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
<?php
$x = 50;
$y = "50";
var_dump($x === $y);
?>
bool(true)
bool(false)
true
false
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
<?php
$x = 80;
$y = 130;
var_dump($x <= $y);
?>
true
bool(false)
false
bool(true)
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
$x++ là
tăng lên 1 sau đó trả về giá trị x
tăng lên sau đó trả về giá trị x
trả về giá trị x sau đó tăng lên 1
tăng lên 1 giá trị
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