表达式4: "o" left parenthesis, "x" , right parenthesis equals "x" squared minus 2 "x" cubedox=x2−2x3
4
`a=${a}` left parenthesis, StartFraction, 1 minus "a" Over 2 , EndFraction , "a" left parenthesis, 1 minus "a" minus StartFraction, 1 minus "a" Over 2 , EndFraction , right parenthesis StartFraction, 1 minus "a" Over 2 , EndFraction , right parenthesis1−a2,a1−a−1−a21−a2
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equals=
left parenthesis, 0.3 3 2 5 , 0.0 3 7 0 3 6 3 4 , right parenthesis0.3325,0.03703634
5
表达式6: "a" Subscript, "k" , Baseline equals left bracket, 1 third minus 0.0 5 , 1 third ...0.5 , right bracketak=13−0.05,13...0.5
equals=
0.2 8 3 3 3 3 3 3 3 3 3 30.283333333333
0.3 3 3 3 3 3 3 3 3 3 3 30.333333333333
0.3 8 3 3 3 3 3 3 3 3 3 30.383333333333
0.4 3 3 3 3 3 3 3 3 3 3 30.433333333333
0.4 8 3 3 3 3 3 3 3 3 3 30.483333333333
6
表达式7: "a" Subscript, "k" , Baseline left parenthesis, 1 minus "a" Subscript, "k" , Baseline minus "x" , right parenthesis "x"ak1−ak−xx
