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\(x\times405=86265\)
\(x=86265:405\)
\(x\text{=}213\)
\(89658:x=293\)
\(x=89658:293\)
\(x\text{=}306\)
\(x+126=480\)
\(x=480-126\)
\(x=354\)
\(x-209\text{=}435\)
\(x\text{=}435+209\)
\(x\text{=}644\)
\(x:13=200+5\)
\(x:13\text{=}205\)
\(x\text{=}205\times13\)
\(x\text{=}2665\)
\(x\times40\text{=}26000-400\)
\(x\times40=25600\)
\(x\text{=}25600:40\)
\(x\text{=}640\)
\(962456-x=342\times7\)
\(962456-x=2394\)
\(x\text{=}962456-2394\)
\(x\text{=}960062\)
12 + 34 + 56 + 78 + 123 + 99 + 322 + 199 = 1223
12 x 45 x 67 x 89 x 0 = 0
12 : 4 : 3 x 9 : 3 x 1259 = 3777
Tk nha
\(a,1337+13\times x=6745\\ \Rightarrow13\times x=6745-1337\\ \Rightarrow x=5408:13\\ \Rightarrow x=416\\ b,142\times x-41\times x-x=408000\\ \Rightarrow x\times\left(142-41-1\right)=408000\\ \Rightarrow x\times100=408000\\ \Rightarrow x=408000:100\\ \Rightarrow x=4080\)
a. 1337 + 13 x x = 6745
13 x x = 6745-1337
13 x x = 5408
x = 5408 : 13
x = 416
b. 142 x x – 41 x x – x = 408000
142 x x – 41 x x – x x 1 = 408000
(142-41-1) x x = 408 000
100 x x = 408000
x = 408 000:100
x = 4080
\(a,246:x+34:x=5\\ \Rightarrow\left(246+34\right):x=5\\ \Rightarrow280:x=5\\ \Rightarrow x=56\\ b,360:x-126:x=6\\ \Rightarrow\left(360-126\right):x=6\\ \Rightarrow234:x=6\\ \Rightarrow x=39\)
\(a,243\times x=76545\\ \Rightarrow x=76545:243\\ \Rightarrow x=315\\ b,97328:x=316\\ \Rightarrow x=97328:316\\ \Rightarrow x=308\)
a) 89 658 : x = 293
x = 89 658 : 293
x = 306
b) 54 322 : x =346
x = 54 322 : 346
x = 157
c)106 141 : x =413
x = 106 141 : 413
x = 257
a) 89 658 : x = 293
x = 89 658 : 293
x = 306
Vậy x = 306
b) 54 322 : x = 346
x = 54 322 : 346
x = 157
Vậy x = 157
c) 106 141 : x = 413
x = 106 141 : 413
x = 257
Vậy x = 257