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a,20×3 246 ×5={20×5}×3 246=100×3 246=324 600. b,346×53+346×47={53+47}×346=34600
a,20×3 246 ×5={20×5}×3 246=100×3 246=324 600. b,346×53+346×47={53+47}×346=34600
a,20×3 246 ×5={20×5}×3 246=100×3 246=324 600. b,346×53+346×47={53+47}×346=34600
a,20×3 246 ×5={20×5}×3 246=100×3 246=324 600. b,346×53+346×47={53+47}×346=34600
a,20×3 246 ×5={20×5}×3 246=100×3 246=324 600. b,346×53+346×47={53+47}×346=34600
a,20×3 246 ×5={20×5}×3 246=100×3 246=324 600. b,346×53+346×47={53+47}×346=34600
a,20×3 246 ×5={20×5}×3 246=100×3 246=324 600. b,346×53+346×47={53+47}×346=34600
a,20×3 246 ×5={20×5}×3 246=100×3 246=324 600. b,346×53+346×47={53+47}×346=34600
a,20×3 246 ×5={20×5}×3 246=100×3 246=324 600. b,346×53+346×47={53+47}×346=34600
a,20×3 246 ×5={20×5}×3 246=100×3 246=324 600. b,346×53+346×47={53+47}×346=34600