Evaluate the following products without
multiplying directly :
(1) 103 x 105
(2) 84 x 79
(3)76 x 82
( 4 ) 88 x 86
show me please with method
Answers
Answered by
1
Answer:
1)10,815.
2)6636.
3)6232.
4)7568
Step-by-step explanation:
1)103*105
2)85*79
3)76*82
4)88*86
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Answered by
0
1) 10185
2) 6636
3) 6232
4) 7568
1) 103×105
the method is (100+3) (100+5)
using (x+a) (x+b) = x square + (a+b) x
put the value in this identity and solve
it's very simple
here x=100
a=3
b=5
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