a) (x + 436) : 2=406
x+436=406:2
x+436=203
x=203-436
x=-233
Vậy x=-233
b)328+x*3=745
x*3=745-328
x*3=417
x=417:3
x=139
vậy x=139
c)x-125*3=544
x-375=544
x=544+375
x=919
Vậy x=919
d) 713-x*5=173
x*5=713-173
x*5=540
x=540:5
x=108
vậy x=108
k cho mk nha
a) x + 436 = 406 * 2
x + 436 = 812
x = 812 - 436
x = 376
b) x * 3 = 745 - 328
x * 3 = 417
x * 3 = 417 : 3
x = 139
c) x = 544 + 125 * 3
x = 919
d) x * 5 = 713 - 173
x * 5 = 540
x = 540 : 5
x = 108