61+4x610+59x61 99999x77778+33333x66666 = = = = 要用简便方法谢谢 = =
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61+4x610+59x61 99999x77778+33333x66666 = = = = 要用简便方法谢谢 = =
![61+4x610+59x61 99999x77778+33333x66666 = = = = 要用简便方法谢谢 = =](/uploads/image/z/3622045-13-5.jpg?t=61%2B4x610%2B59x61+99999x77778%2B33333x66666+%3D+%3D+%3D+%3D+%E8%A6%81%E7%94%A8%E7%AE%80%E4%BE%BF%E6%96%B9%E6%B3%95%E8%B0%A2%E8%B0%A2+%3D+%3D)
1: =61*1+40*61+59*61 =61*(1+40+59) =61*100 =6100 2: =99999*77778+99999*22222 =99999*(77778+22222) =99999*100000 =9999900000
61+4x610+59x61 99999x77778+33333x66666 = = = = 要用简便方法谢谢 = =
[(6.5-3分之2)÷3又2分之1-1又15分之8]×(X61.95)=10
已知(2x+1)=a0×x610+a1×x^9+a2×x^8+.+a9×x+a10.求(1)a0+a1+a2+a3+.+
75×98= 这道题用简便方法怎么算呀谢谢
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