【解析】 【答案】 r30, 9, r 2, r12, x 0.03, r 0.56, r2.8, x0.09,r 10.2, r 30 【解析】 2z+x=90 3z90 r30 5zz=36 4=36 r=9 30z-40z=140 702=140 r2 75x-60x180 15x180 r12 r+8x=0.27 9z=0.27 0.03 6z+4r-5.6 10r5.6 0.56 6z-4x=5.6 2z5.6 2.8 5x+3x0.72 8z0...
方程一: 60%x = 180,将百分数转化为小数,得 0.6x = 180,两边同时除以 0.6,解得 x = 300。 方程二: x - 3/5x = 160,化简等式左边,得 2/5x = 160,两边同时乘以 5/2,解得 x = 400。 方程三: 3/8x + x = 880,将 x 看作 8/8x,合并同类项,得 (11)/8x = 880,两边同时乘以 8/(11),...
柚之艺实木换鞋凳家用木质长条凳板凳餐厅原木长凳客厅防腐木凳子长方形 整板60x25x高42cm 京东价 ￥ 降价通知 累计评价 0 促销 展开促销 配送至 --请选择-- 支持 选择颜色 整板60x25x高42cm 整板90x25x高42cm 整板长120x20x高42cm 整板长150x20x高42cm 整板180x20x高42cm 整板长60x...
180mm Lens 5x Continously Zoom Thermal and 3km Night Vision HD Laser PTZ Camera Product Features: 1. Three spectral imaging design, with advantage of visible light imaging clearly, thermal imaging camera detecting far and laser night vision range lar...
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【答案】x=30,x=9,x=2,x=12,x=0.03,x=0.56,x=2.8,x=0.09,x=10.2,x=30【解析】2x+x=903x=90x=305x-x=364x=36x=930x+40x=14070x=140x=275x-60x=18015x=180x=12x+8x=0.279x=0.27x=0.036x+4x=5.610x=5.6x=0.566x-4x=5.62x=5.6x=2.85x+3x=0.728x=0.72x=0.090.2x+0.6x=8.160...
x=200 60%x=180先化百分号为0.6x=180 求出x=300。故方程答案为300。 4/5x-3/4x=25 分子分母不一致,需要先通分, 求出。故方程答案为500。 5+15%x=35 算式两边都减去5,可得15%x=30,化百分号为0.15x=30 求出x=200。故方程答案为200。解题...
2. 5 x, f=(2.7mm~13.5mm), Auto Focus 3.2.0MP available 4.True Day/Night, 3D DNR, Digital WDR 5.Backlight compensation, and auto gain control (AGC) Network Features: 1.Main Stream; 1920(H)x1080(P)@25fps/30fps 2.Support the P2P or Android, IOS ...
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