Trả lời:

d) 92 – x = 44 + 29
92 – x = 73
x = 92 – 73
x = 19
d) 92 – x = 44 + 29
92 – x = 73
x = 92 – 73
x = 19d) 92 – x = 44 + 29
92 – x = 73
x = 92 – 73
x = 19