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Byju's Answer
Standard VII
Mathematics
Properties of Multiplication of Integers
28945*99--289...
Question
28945*99-(-28945)
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Solution
28945*99 -(-28945)
28945*99 +28945 [ -(-a) = +a]
28945[99+1] [ a*b+a*c = a(b+c) ]
28945x`100
2894500
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18
Similar questions
Q.
Solve:
28945
×
99
−
(
−
28945
)
Q.
Find the value of:
(i) 1487 × 327 + (−487) × 327
(ii) 28945 × 99 − (−28945)
Q.
What is the remainder when p - q is divided by 100, if
p
=
2
99
+
4
99
+
6
99
+
8
99
+
.
.
.
.
.
.
.
.
.
+
100
99
and
q
=
1
99
+
3
99
+
5
99
+
7
99
+
.
.
.
.
.
.
.
.
.
.
+
99
99
?
Q.
If
x
=
1
2
,
y
=
1
,
z
=
2
then
x
100
y
99
z
99
+
x
99
y
100
z
99
+
x
99
y
99
z
100
=
.
.
Q.
Calculate:
99
×
99
=
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