Overview: 3 questions will be solved this time.Among them
☆3 arithmetic calculations
[1/3 Formula]
Work: Calculate the value of equation 2*2*2*2*2*2*2*2*3*3*3*3*5*5*7 .
Question type: Mathematical calculation
Solution:
2*2*2*2*2*2*2*2*3*3*3*3*5*5*7
=4*2*2*2*2*2*2*3*3*3*3*5*5*7
=8*2*2*2*2*2*3*3*3*3*5*5*7
=16*2*2*2*2*3*3*3*3*5*5*7
=32*2*2*2*3*3*3*3*5*5*7
=64*2*2*3*3*3*3*5*5*7
=128*2*3*3*3*3*5*5*7
=256*3*3*3*3*5*5*7
=768*3*3*3*5*5*7
=2304*3*3*5*5*7
=6912*3*5*5*7
=20736*5*5*7
=103680*5*7
=518400*7
=3628800 Answer:2*2*2*2*2*2*2*2*3*3*3*3*5*5*7=3628800[2/3 Formula]
Work: Calculate the value of equation (1+2+3+4+5+6+7+8+9+10)*(1+2+3+4+5+6+7+8+9) .
Question type: Mathematical calculation
Solution:
(1+2+3+4+5+6+7+8+9+10)*(1+2+3+4+5+6+7+8+9)
=55*(1+2+3+4+5+6+7+8+9)
=55*45
=2475 Answer:(1+2+3+4+5+6+7+8+9+10)*(1+2+3+4+5+6+7+8+9)=2475[3/3 Formula]
Work: Calculate the value of equation 9+99+999+9999+99999+999999+9999999 .
Question type: Mathematical calculation
Solution:
9+99+999+9999+99999+999999+9999999
=108+999+9999+99999+999999+9999999
=1107+9999+99999+999999+9999999
=11106+99999+999999+9999999
=111105+999999+9999999
=1111104+9999999
=11111103 Answer:9+99+999+9999+99999+999999+9999999=11111103Your problem has not been solved here? Please go to the Hot Problems section!