填一填.(1)138÷7≈______想:l38≈____________÷______=______(2)185÷2≈______想:l85≈____________÷______=______.-

题目简介

填一填.(1)138÷7≈______想:l38≈____________÷______=______(2)185÷2≈______想:l85≈____________÷______=______.-

题目详情

填一填.
(1)138÷7≈______
想:l38≈______
______÷______=______
(2)185÷2≈______
想:l85≈______
______÷______=______.
题型:填空题难度:中档来源:不详

答案

(1)138÷7≈20
想:l38≈140,
140÷7=20;

(2)185÷2≈100,
想:l85≈200,
200÷2=100;
故答案为:20,140,140,7,20;100,200,200,2,100.

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