is there a easier way to multiply 92
x95
instead of doing al;l the ;long multiplication?
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.
oh...... k thanks anyway
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.
What MathMate did:
92*95
(100-8)(100-5)
10,000 - 500 - 800 + 40
8740
or my way
95 (100 - 8)
9500 - 760
8740
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Yes, there is a more efficient way to multiply large numbers like 92 and 95 without using long multiplication. One technique you can use is called "multiplying by parts" or the "split method." Here's how it works:
1. Split both numbers into their tens and units digits:
92 = 90 + 2
95 = 90 + 5
2. Multiply the tens digits together:
90 × 90 = 8100
3. Multiply the tens digit of one number by the units digit of the other, and vice versa:
(90 × 2) + (90 × 5) = 180 + 450 = 630
4. Multiply the units digits together:
2 × 5 = 10
5. Add up the results from steps 2 to 4:
8100 + 630 + 10 = 8740
Therefore, the product of 92 and 95 is 8740.
Using the split method can save you time and make multiplication of large numbers easier.