表达式9: left parenthesis, "a" plus StartFraction, "b" minus "a" Over "n" , EndFraction times floor left parenthesis, "n" "t" , right parenthesis , max left parenthesis, "f" left parenthesis, "a" plus StartFraction, "b" minus "a" Over "n" , EndFraction times floor left parenthesis, "n" "t" , right parenthesis , right parenthesis , "f" left parenthesis, "a" plus StartFraction, "b" minus "a" Over "n" , EndFraction times floor left parenthesis, "n" "t" minus 1 , right parenthesis , right parenthesis , right parenthesis times left parenthesis, "n" "t" minus floor left parenthesis, "n" "t" , right parenthesis , right parenthesis times max left parenthesis, StartFraction, "f" left parenthesis, "a" plus StartNestedFraction, "b" minus "a" NestedOver "n" , EndNestedFraction times floor left parenthesis, "n" "t" , right parenthesis , right parenthesis Over StartAbsoluteValue, "f" left parenthesis, "a" plus StartNestedFraction, "b" minus "a" NestedOver "n" , EndNestedFraction times floor left parenthesis, "n" "t" , right parenthesis , right parenthesis , EndAbsoluteValue , EndFraction , 0 , right parenthesis , right parenthesisa+b−an·floornt,maxfa+b−an·floornt,fa+b−an·floornt−1·nt−floornt·maxfa+b−an·floorntfa+b−an·floornt,0
定义域t最小值： 00
less than or equal to "t" less than or equal to≤t≤
定义域t最大值： 11
9
表达式10: left parenthesis, "a" plus StartFraction, "b" minus "a" Over "n" , EndFraction times floor left parenthesis, "n" "t" plus 1 , right parenthesis , min left parenthesis, "f" left parenthesis, "a" plus StartFraction, "b" minus "a" Over "n" , EndFraction times floor left parenthesis, "n" "t" plus 1 , right parenthesis , right parenthesis , "f" left parenthesis, "a" plus StartFraction, "b" minus "a" Over "n" , EndFraction times floor left parenthesis, "n" "t" , right parenthesis , right parenthesis , right parenthesis times left parenthesis, "n" "t" minus floor left parenthesis, "n" "t" , right parenthesis , right parenthesis times negative 1 times min left parenthesis, StartFraction, "f" left parenthesis, "a" plus StartNestedFraction, "b" minus "a" NestedOver "n" , EndNestedFraction times floor left parenthesis, "n" "t" , right parenthesis , right parenthesis Over StartAbsoluteValue, "f" left parenthesis, "a" plus StartNestedFraction, "b" minus "a" NestedOver "n" , EndNestedFraction times floor left parenthesis, "n" "t" , right parenthesis , right parenthesis , EndAbsoluteValue , EndFraction , 0 , right parenthesis , right parenthesisa+b−an·floornt+1,minfa+b−an·floornt+1,fa+b−an·floornt·nt−floornt·−1·minfa+b−an·floorntfa+b−an·floornt,0
定义域t最小值： 00
less than or equal to "t" less than or equal to≤t≤
定义域t最大值： 11
10
表达式11: "x" equals "b" left brace, 0 less than or equal to "y" less than or equal to "f" left parenthesis, "b" minus StartFraction, "b" minus "a" Over "n" , EndFraction , right parenthesis , right bracex=b0≤y≤fb−b−an
11
表达式12: "x" equals "b" left brace, "f" left parenthesis, "b" minus StartFraction, "b" minus "a" Over "n" , EndFraction , right parenthesis less than or equal to "y" less than or equal to 0 , right bracex=bfb−b−an≤y≤0
12
表达式13: "x" equals "a" left brace, 0 less than or equal to "y" less than or equal to "f" left parenthesis, "a" , right parenthesis , right bracex=a0≤y≤fa
13
表达式14: "x" equals "a" left brace, "f" left parenthesis, "a" , right parenthesis less than or equal to "y" less than or equal to 0 , right bracex=afa≤y≤0
14
表达式15: negative 0.8 left brace, 0.5 less than "x" less than 2.5 , right brace−0.80.5<x<2.5
15
`n=${n}` left parenthesis, StartFraction, "n" Over 100 , EndFraction plus 0.4 9 , negative 0.8 , right parenthesisn100+0.49,−0.8
标签:
equals=
left parenthesis, 0.5 9 , negative 0.8 , right parenthesis0.59,−0.8
16
`\int_a^b f(x) \ dx \approx ${I}` left parenthesis, 0.8 5 5 , 1.2 , right parenthesis0.855,1.2
标签:
17
18
技术支持
技术支持
"n" equals 10n=10
Start integral from "a" to "b" , end integral, "f" ( "x" ) "d" "x" approximately equal 0.7 7 2 1 2 4 0 7∫baf(x)dx≈0.77212407
