填一填. (1)138÷7≈______ 想:l38≈______ ______
题型:填空题
问题:
填一填.
(1)138÷7≈______
想:l38≈______
______÷______=______
(2)185÷2≈______
想:l85≈______
______÷______=______.
填一填.
(1)138÷7≈______
想:l38≈______
______÷______=______
(2)185÷2≈______
想:l85≈______
______÷______=______.