问题描述:
[3又1/4-(0.2+1/3)×3.5](6.05+1/20)简算
答案要正确,蟹蟹.
2 36×234.5+256/25÷2/11110+6543×3又5/3(2/11×13)+(2/13×15)+(2/15×17)+(2/17×19)+(2/19×21)+(1/21)=
3 (7/13)×(5/8)+(2/13)×(7/16)-(1/13)×(3又1/2)=
4 (1+1/1×3)×(1+1/2×4)×……×(1+1/8×10)=
5(1+2/2)×(1+2+3/2+3)×(1+2+3+4/2+3+4)×……×(1+2+……+2001/2+3+……+2001)=
6 36×234.5+256/25÷2/11110+6543×3又5/3=
答案要正确,蟹蟹.
2 36×234.5+256/25÷2/11110+6543×3又5/3(2/11×13)+(2/13×15)+(2/15×17)+(2/17×19)+(2/19×21)+(1/21)=
3 (7/13)×(5/8)+(2/13)×(7/16)-(1/13)×(3又1/2)=
4 (1+1/1×3)×(1+1/2×4)×……×(1+1/8×10)=
5(1+2/2)×(1+2+3/2+3)×(1+2+3+4/2+3+4)×……×(1+2+……+2001/2+3+……+2001)=
6 36×234.5+256/25÷2/11110+6543×3又5/3=
问题解答:
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