步骤	模乘	模加减
1	T₁ = X₁Z₂	--	--
2	T₂ = X₂Z₁	--	--
3	T₃ = Z₁Z₂	--	X₁Z₂
4	T₄ = X₁X₂	T₁ = T₁ − T₂	X₂Z₁
5	T₅ = aT₃	T₂ = T₁ + T₂	Z₁Z₂, X₁Z₂ − X₂Z₁
6	T₆ = T₀T₃	T₂ = T₁ + T₂	X₁X₂, X₁Z₂ + X₂Z₁
7	$T_{1} = T_{1}^{2}$	T₄ = T₄ − T₅	aZ₁Z₂
8	T₂ = T₆T₂	--	4bZ₁Z₂, X₁X₂ − aZ₁Z₂
9	$T_{4} = T_{4}^{2}$	--	${(X_{1} Z_{2} - X_{2} Z_{1})}^{2}$
10	T₁ = G_xT₁	--	$4 b Z_{1} Z_{2} (X_{1} Z_{2} + X_{2} Z_{1})$
11	--	T₄ = T₄ − T₂	${(X_{1} X_{2} - a Z_{1} Z_{2})}^{2}$
12	T₁ = Z₁Z₁^②	--	$G_{x} {(X_{1} Z_{2} - X_{2} Z_{1})}^{2}, {(X_{1} X_{2} - a Z_{1} Z_{2})}^{2} - b Z_{1} Z_{2} (X_{1} Z_{2} + X_{2} Z_{1})$