Asked by Brian 4th grade
is there a easier way to multiply 92
x95
instead of doing al;l the ;long multiplication?
x95
instead of doing al;l the ;long multiplication?
Answers
Answered by
Ms. Sue
I don't know of any easier way.
Believe me, the practice will help you for a long time. You should know the multiplication tables as well as you know your own name.
Believe me, the practice will help you for a long time. You should know the multiplication tables as well as you know your own name.
Answered by
timothy
oh...... k thanks anyway
Answered by
MathMate
Brian, glad that you asked.
All you need to do is to look at the question this way:
92x95
92=100-8
95=100-5
92*95
=(100-8-5)||5*8
=87||40
=8740
(The || means stick the numbers together)
Try another example:
98*94
=(100-2-6)||2*6
=9212
With a little practice, you do not have to write them down and do the calculation mentally.
All you need to do is to look at the question this way:
92x95
92=100-8
95=100-5
92*95
=(100-8-5)||5*8
=87||40
=8740
(The || means stick the numbers together)
Try another example:
98*94
=(100-2-6)||2*6
=9212
With a little practice, you do not have to write them down and do the calculation mentally.
Answered by
Damon
What MathMate did:
92*95
(100-8)(100-5)
10,000 - 500 - 800 + 40
8740
or my way
95 (100 - 8)
9500 - 760
8740
92*95
(100-8)(100-5)
10,000 - 500 - 800 + 40
8740
or my way
95 (100 - 8)
9500 - 760
8740
Answered by
poop
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Answered by
vote for trump
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