简便运算<55+55+55+55×5>×25= 8795-4998+2994-3002-2008=

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简便运算<55+55+55+55×5>×25= 8795-4998+2994-3002-2008=
简便运算<55+55+55+55×5>×25= 8795-4998+2994-3002-2008=

简便运算<55+55+55+55×5>×25= 8795-4998+2994-3002-2008=
<55+55+55+55×5>×25
=55×8×25
=55×200
=11000
8795-4998+2994-3002-2008
=8800-5-5000+2+3000-6-3000-2-2000-8
=8800-5000-2000+3000-3000-5-6-8-2+2
=1800-19
=1781

<55+55+55+55×5>×25
=8*55*25
=(4*25)*(2*55)
=100*110
=11000
8795-4998+2994-3002-2008
=8795-(4998+3002)+3000-6-2000-8
=8795-8000+(3000-2000)-14
=795+1000-14
=1795-14
=1781

(55+55+55+55×5)×25
=55×8×25
=55×8×5×5
=55×40×5
=55×200
=11000
8795-4998+2994-3002-2008
=8795-(5000-2)+(3000-6)-(3000+2)-(2000+8)
=8795-5000+2+3000-6-3000-2-2000-8
=...

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(55+55+55+55×5)×25
=55×8×25
=55×8×5×5
=55×40×5
=55×200
=11000
8795-4998+2994-3002-2008
=8795-(5000-2)+(3000-6)-(3000+2)-(2000+8)
=8795-5000+2+3000-6-3000-2-2000-8
=8795-5000+3000-3000-2000-8+2-6-2
=8795-(5000-3000+3000+2000)-(8-2+6+2)
=8795-(5000-3000+3000+2000)-(8-2+6+2)
=8795-7000-14
=1795-14
=1781

收起

<55+55+55+55×5>×25
=55*(1+1+1+3)*25
=55*8*25
=55*2*4*25
=110*100
=11000
8795-4998+2994-3002-2008
=(8795+2994)-(4998+3002+2008)
=11789-10008
=1781