Bài 2 : Làm tròn đến chữ số hàng chục
\(a,6789\approx6790\)
\(b,4503\approx4500\)
\(c,8844\approx8840\)
\(d,9876\approx9880\)
\(e,4509\approx4510\)
\(f,4488\approx4490\)
Học tốt
a) \(6789\approx6790\)
b) \(4503\approx4500\)
c) \(8844\approx8840\)
d) \(9876\approx9880\)
e) \(4509\approx4510\)
f) \(4488\approx4490\)
a) 6789 \(\approx\) 6790
b) 4503 \(\approx\) 4500
c) 8844 \(\approx\) 8840
d) 9876 \(\approx\) 9880
e) 4509 \(\approx\) 4510
f) 4488 \(\approx\)4490