128 A + 136 B + 144 C + 152 D + 160 E -56 F + G = 1 (1) 136 A + 145 B + 154 C + 163 D + 172 E -58 F + G = 1 (2) 144 A + 154 B + 164 C + 174 D + 184 E -60 F + G = 1 (3) 152 A + 163 B + 174 C + 185 D + 196 E -62 F + G = 1...
FCS 的软件体系主要有组态软件、监控软件、设备 管理软件组成。 一、 现场总线组态软件 SYSCON 组态软件包括通信组态与控制系统组态。生成各种控 2021.03.09 欧阳法创编 2021.03.09 2021.03.09 欧阳法创编 2021.03.09 制回路,通信关系。明确系统要完成的控制功能,各 控制回路的组成结构,各回路采取的控制方式与策 略;...
多元方程在线给您免费提供A + B + C + D + E + F + G = 0 128A + 64B + 32C + 16D + 8E + 4F + 2G = 6 2187A + 729B + 243C + 81D + 27E + 9F + 3G = 16 16384A + 4096B + 1024C + 256D + 64E + 16F + 4G = 30 78125A + 15625B + 3125C + 625D + 125E ...
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2 A + 2 B + 2 D + 2 E + 2 F + 2 G + 2 H + 6 I + 2 J + 2 K = 128 (9) A + B + C + D + E + F + G + H + I + K = 53 (10) 2 A + 6 B + 2 D + 2 E + 2 F + 2 G + 2 H + 6 I + 2 J + K = 152 (11)Subtract both sides of equatio...
Note that the coefficients of each element of the equation system can only be numbers, not algebraic expressions (including mathematical functions). A=128(1) B=227(2) C=478(3) D=552(4) 《多元一次方程组的解法》
42A-72B+34C-2D=2(1) 78A-120B+54C-3D=6(2) 80A-144B+68C-4D=4(3) 128A-208B+92C-5D=12(4) 78A- 936 7 B+ 442 7 C- 26 7 D= 26 7 (5) 42A-72B+34C-2D=2(1) 96 7 B- 64 7 C+ 5 7 D= 16 7 (2) 80A-144B+68C-4D=4(3) ...
5A+60B=128(2) -60B+4C+80D=0(3) -80D+10E=-320(4) C-1D-1E=0(5) 解题过程: 将第(1) 等式两边 乘以5后,可以得到等式: 5A-5B-5C=0(6) ,然后再同时用第 (2) 等式两边 减去 等式(6)两边,方程组化为: A-1B-1C=0(1) 65B+5C=128(2) ...
128 5 (6), then subtract both sides of equation (6) from both sides of equation (3), the equations are reduced to: 5 A + 60 B = 128 (1) 80 D -10 E = 320 (2) -13 B -1 C = - 128 5 (3) -1 C + D + E = 0 (4) 5 A + 14 E = -192 (5)Subtract both sides...
350A-200B=256(1) -200A+300B-150E=0(2) 400C+650D-200E=0(3) -400C+900D=128(4) B-1C+50E=0(5) Question solving process: Multiply both sides of equation (1) by 4 Divide the two sides of equation (1) by 7, the equation can be obtained: ...