4 × c =240320; 240 320÷ c =4; c ÷ 60080=4
4×с=240320 с=240320:4 с=60080 4×60080=240320 240320=240320 240320÷с=4 с=240320÷4 с=60080 240320÷60080=4 4=4 с÷60080=4 с=60080×4 с=240320 240320÷60080=4 4=4