a. 327 x (126 + x) = 67035 10208 : (108 + x) = 58
b. 68 x (236 – x) = 9860 17856 : (405 – x) = 48
c. 4768 + 85 x x = 25763 43575 – 75 x x = 4275
d. 3257 + 25286 : x = 3304 3132 – 19832 : x = 3058
a. 327 x (126 + x) = 67035 10208 : (108 + x) = 58
b. 68 x (236 – x) = 9860 17856 : (405 – x) = 48
c. 4768 + 85 x x = 25763 43575 – 75 x x = 4275
d. 3257 + 25286 : x = 3304 3132 – 19832 : x = 3058
a) 327 × (126+x) = 67035
126 + x = 205
x = 79
10208 : (108+x)=58
108+x= 176
x= 68
b) 68 × (236-x)=9860
236-x=145
x=91
17856:(405 -x) = 48
405 -x = 372
x = 33
c) 4768 + 85 × x = 25763
85x=20995
x=247
43575-75×x = 4275
75x=39300
x=524
d) 3257 + 25286 : x = 3304
25286:x=47
x=538
3132 – 19832 : x = 3058
19832:x = 74
x=268
a. 327 x (126 + x) = 67035 10208 : (108 + x) = 58
126+x=67035:327 108+x=10208:58
126+x=205 108+x=176
x=205-126 x=176-108
x=79 x=68
68 x (236 – x) = 9860 17856 : (405 – x) = 48
236-x=9860:68 405-x=17856:48
236-x=145 405-x=372
x=236-145 x=405-372
x=91 x=33
. 4768 + 85 x x = 25763 43575 – 75 x x = 4275
85*x=25763-4768 75*x=43575-4275
85*x=20995 75*x=39300
x=20995:85 x=39300:75
x=247 x=524
3257 + 25286 : x = 3304 3132 – 19832 : x = 3058
25286:x=3304-3257 19832:x=3132-3058
25286:x=47 19832:x=74
x=25286:47 x=19832:74
x=538 x=268
nhớ vote 5 sao +câu trả lời hay nhất +cảm ơn