式18: "Q" equals round left parenthesis, total left parenthesis, "w" Subscript, "k" , Baseline "f" left parenthesis, "x" Subscript, "k" , Baseline , right parenthesis , right parenthesis , 4 , right parenthesisQ=roundtotalwkfxk,4
equals=
1.0 1 0 91.0109
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式19: "F" equals round left parenthesis, Start integral from "a" to "b" , end integral, "f" left parenthesis, "x" , right parenthesis "d" "x" , 4 , right parenthesisF=round∫bafxdx,4
equals=
1.0 1 0 91.0109
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Kontrollrechnung ...
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式28: StartFraction, "b" minus "a" Over 4 , EndFraction left parenthesis, "f" ( "a" ) plus 3 "f" left parenthesis, StartFraction, "a" plus 2 "b" Over 3 , EndFraction , right parenthesis , right parenthesisb−a4f(a)+3fa+2b3
equals=
1.0 1 0 8 5 1 5 3 5 6 61.01085153566
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提供:
提供:
S
P
left parenthesis, negative 0.5 , 1.8 7 1 0 9 , right parenthesis−0.5,1.87109
left parenthesis, 1.5 , negative 0.1 7 4 4 3 , right parenthesis1.5,−0.17443
Start sum from "k" equals 0 to 1, end sum, "w" Subscript, "k" , Baseline "f" ( "x" Subscript, "k" , Baseline ) approximately equal 1.0 1 0 91∑k=0wkf(xk)≈1.0109
Start integral from "a" to "b" , end integral, "f" ( "x" ) "d" "x" approximately equal 1.0 1 0 9∫baf(x)dx≈1.0109