Current location - Training Enrollment Network - Mathematics courses - Fill in the appropriate unit name in the horizontal line. An elephant weighs 4 _ _ _ _ _ _; A watermelon weighs about 4 _ _ _ _ _ _; Xiaohong's height138 _ _ _ _ _; Math class
Fill in the appropriate unit name in the horizontal line. An elephant weighs 4 _ _ _ _ _ _; A watermelon weighs about 4 _ _ _ _ _ _; Xiaohong's height138 _ _ _ _ _; Math class
An elephant weighs 4 tons; A watermelon weighs about 4 kilograms;

Xiaohong height138 cm; Mathematics textbooks are about 2 cents long;

The thickness of the diary is about 4 mm; The plane flies 800 kilometers per hour;

Xiaoling's home is away from school1750m; Xiaogang weighs about 35 kilograms;

So the answer is: tons, kilograms, centimeters, decimeters, millimeters, kilometers, meters, kilograms.