Please please answer this
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According to given sum,
a) 898×785.
=> (900-2)×785.
=> 900×785-2×785
=> 706500-1570.
=> 704930.
b) 87×313
=> (90-3)×313.
=> 90×313-3×313
=> 28170-939
=> 27231.
:-)Hope it helps u.
a) 898×785.
=> (900-2)×785.
=> 900×785-2×785
=> 706500-1570.
=> 704930.
b) 87×313
=> (90-3)×313.
=> 90×313-3×313
=> 28170-939
=> 27231.
:-)Hope it helps u.
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