a) X + 2345 : 5 = 36978
X + 469 = 36978
X = 36978 - 469
X = 36509
b) X : 27 + 395 = 836
X : 27 = 836 - 395
X : 27 = 441
X = 441 x 27
X = 11907
k cho mk nha :)
a)x+2345:5=36978 b)x:27+395=836
x+(2345:5)=36978 x:27=836-395
x+469=36978 x:27=441
x=36978-469 x=441.27
x=36509 x=11907
a) X + 2345 : 5 = 36978
X + 469 = 36978
X = 36978 - 469
X = 36509
b) X : 27 + 395 = 836
X : 27 = 836 - 395
X : 27 = 441
X = 441 x 27
X = 11907
a) x + 2345 : 5 = 36978
x + 469 = 36978
x= 36978 - 469
x = 36509
b) x : 27 + 395 = 836
x : 27 = 836 - 395
x : 27 = 441
x = 441 x 27
x = 11907
P/s tham khảo nha
a) x+2345:5=36978
x+469 =36978
x =36978-469
x =36509
b) x:27+395=836
x:27 =836-395
x:27 =441
x =441×27
x =11907