9999×8+1111×28要用递等式,直接的答案不要,再帮我解决一题,56×295+56×6-56
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![9999×8+1111×28要用递等式,直接的答案不要,再帮我解决一题,56×295+56×6-56](/uploads/image/z/248277-21-7.jpg?t=9999%C3%978%EF%BC%8B1111%C3%9728%E8%A6%81%E7%94%A8%E9%80%92%E7%AD%89%E5%BC%8F%2C%E7%9B%B4%E6%8E%A5%E7%9A%84%E7%AD%94%E6%A1%88%E4%B8%8D%E8%A6%81%2C%E5%86%8D%E5%B8%AE%E6%88%91%E8%A7%A3%E5%86%B3%E4%B8%80%E9%A2%98%EF%BC%8C56%C3%97295%EF%BC%8B56%C3%976%EF%BC%8D56)
9999×8+1111×28要用递等式,直接的答案不要,再帮我解决一题,56×295+56×6-56
9999×8+1111×28
要用递等式,直接的答案不要,
再帮我解决一题,56×295+56×6-56
9999×8+1111×28要用递等式,直接的答案不要,再帮我解决一题,56×295+56×6-56
1/99+2/99+3/99...+98/99
=(1/99+98/99)+(2/99+97/99)+.+(49/99+50/99)
=1+1+...+1 (49个)
=49
9999*8+1111*28=
=9999*8+1111*18+1111*10
=9999*8+9999*2+1111*10
=9999*10+1111*10
=(9999+1111)*10
=111100
9999×8+1111×28
=1111*72+1111*28
=1111(72+28)
=1111*100
=111100
56×295+56×6-56
=56(295+6-1)
=56*300
=16800
不带这样的,答完又加题,掉到后面了!
9999×8+1111×28=1111*9*8+1111*28=1111*72+1111*28=1111*(72+28)=1111*100=111100
9999*8+1111*28(*代表乘)
=1111*9*8+1111*28
=1111*(72+28)
=111100
=1111*72+1111*28
=1111(72+28)
=1111*100
=111100
9999*8+1111*28
= 1111*9*8+1111*28
= 1111*(72+28)
= 111100
56*295+56*6-56
= 56*(295+6-1)
= 56*300
= 16800