Đáp án:
Giải thích các bước giải:
vì số lớn nhất có 3 chữ số là số 999
=>trung bình cộng của 2 số là 999
tổng 2 số là:
999x2=1998
số kia là:
1998-1035=963
ĐS:963
963
Số lớn nhất có ba chữ số là : 999
Tổng của hai số là :
$999. 2 = 1998_{}$
$1998-1035=963_{}$
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