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(2170+650-1134)/2170
(1333.33×166.51)/(330×0.707)
1134.05-【1300/2-（50+31.61）】
1300－[(50+31.6)+(56+31.6/2+25.1/2)]
318455/156.70
159443+159012
0.51×〖10〗^(-3) √( 30)×200×1250
29674/4.8%×（1-1/（1+4.8%）^10)×(1/(1+4.8%)^8)
21811/(4.8%-3.5%)×(1-((1+3.5%)^8/(1+4.8%)^8))
15600×（1+1.5%）
19500×（1+1.5%）
25200×（1+1.5%）
12-15
75×28+34（63-58）=
3.032-13×1.2×2.4× (3.032-0.2)-5×1×2.4×(3.032-0.2)=
(7.2-0.55)×23×(3.6-0.55)+(7.2-0.24)×(3.6-0.55)+(7.2-0.55)×3×(3.6-0.55)+(3.6-0.55) ×3×(3.6-0.55)+(3.6-0.55)×(3.6-0.55)×(3.6-0.55)=
[(7.2-0.55)×23×(3.6-0.55)+(7.2-0.24)×(3.6-0.55)+(7.2-0.55)×3×(3.6-0.55)+(3.6-0.55) ×3×(3.6-0.55)+(3.6-0.55)×(3.6-0.55)×(3.6-0.55)]×3.032-13×1.2×2.4× (3.032-0.2)-5×1×2.4×(3.032-0.2)=
3916.76+543.98+61.006+458.08+（1592.536+1097.712）÷2+（731.58+1930.30+726.93+1704）÷2+ 1757.2÷2
[(7.2-0.55)×23×(3.6-0.55)+(7.2-0.24)×(3.6-0.55)+(7.2-0.55)×3× (3.6-0.55)+(3.6-0.55)×3×(3.6-0.55)+(3.6-0.55)×(3.6-0.55)×(3.6-0.55)]× 3.032-5×1.0 × 2.4 × (3.032-0.2)-13 × 1.2 × 2.4 ×(3.032-0.45)=
[(48.74＋18.14)×2-22×0.55]×3.032×(3.6-0.55)-12×4.5×1.8×(3.032-0.4)-4×3×1.8×(3.032-0.4)-4×2.4×1.8×（3.032-0.4）-4×2.8×1.8×（3.032-0.4=
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(1333.33×166.51)/(330×0.707)
1134.05-【1300/2-（50+31.61）】
1300－[(50+31.6)+(56+31.6/2+25.1/2)]
318455/156.70
159443+159012
0.51×〖10〗^(-3) √( 30)×200×1250
29674/4.8%×（1-1/（1+4.8%）^10)×(1/(1+4.8%)^8)
21811/(4.8%-3.5%)×(1-((1+3.5%)^8/(1+4.8%)^8))
15600×（1+1.5%）
19500×（1+1.5%）
25200×（1+1.5%）
12-15
75×28+34（63-58）=
3.032-13×1.2×2.4× (3.032-0.2)-5×1×2.4×(3.032-0.2)=
(7.2-0.55)×23×(3.6-0.55)+(7.2-0.24)×(3.6-0.55)+(7.2-0.55)×3×(3.6-0.55)+(3.6-0.55) ×3×(3.6-0.55)+(3.6-0.55)×(3.6-0.55)×(3.6-0.55)=
[(7.2-0.55)×23×(3.6-0.55)+(7.2-0.24)×(3.6-0.55)+(7.2-0.55)×3×(3.6-0.55)+(3.6-0.55) ×3×(3.6-0.55)+(3.6-0.55)×(3.6-0.55)×(3.6-0.55)]×3.032-13×1.2×2.4× (3.032-0.2)-5×1×2.4×(3.032-0.2)=
3916.76+543.98+61.006+458.08+（1592.536+1097.712）÷2+（731.58+1930.30+726.93+1704）÷2+ 1757.2÷2
[(7.2-0.55)×23×(3.6-0.55)+(7.2-0.24)×(3.6-0.55)+(7.2-0.55)×3× (3.6-0.55)+(3.6-0.55)×3×(3.6-0.55)+(3.6-0.55)×(3.6-0.55)×(3.6-0.55)]× 3.032-5×1.0 × 2.4 × (3.032-0.2)-13 × 1.2 × 2.4 ×(3.032-0.45)=
[(48.74＋18.14)×2-22×0.55]×3.032×(3.6-0.55)-12×4.5×1.8×(3.032-0.4)-4×3×1.8×(3.032-0.4)-4×2.4×1.8×（3.032-0.4）-4×2.8×1.8×（3.032-0.4=
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