把6a+13a 6x-28-2.5x+30.5 8a-(5a+8) (5x+7)-(4x+0.18)这几个算试如何化简?
1个回答
6a+13a=19a
6x-28-2.5x+30.5=3.5x+2.5
8a-(5a+8)=8a-5a-8=3a-8
(5x+7)-(4x+0.18)=5x+7-4x-0.18=x+6.82
相关问题
化简 6a+13a 6x-28-2.5x+30.5 8a-(5a+8) (5x+7)-(4x+0.18)
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计算:①5(a3)4-13(a6)2②7x4•x5•(-x)7+5(x4)4-(x8)2③[(x+y)3]6+[(x+y
若(2x-1)6(x+1)2=a0x8+a1x7+a2x6+a3x5+a4x4+a5x3+a6x2+a7x+a8,则a0
6a+13a 6x-2.5x+30.5
5t+2t= a-0.8a= 5t-2t= 7a-6a= a+0.5a= 2x+2x= 2x*2x= a*5a= 8a+
化简5X²-8X+5-3X²+6Xa³b+(a³b-2c)-2(a³b