(1) calaule: 7,2:1,8= 5,6:of== 13,5;5= 0,76:10= 0,76:0,6= 7,2:7.8 144:0,25= 72:0:09= 3,6:5= 0:9,8= 4,2:0,6=

Vamos corrigir e calcular as divisões:<br /><br />1. $7,2:1,8 = 4$<br />2. $5,6:0,6 = 9,33$<br />3. $13,5:5 = 2,7$<br />4. $0,76:10 = 0,076$<br />5. $0,76:0,6 = 1,27$<br />6. $7,2:7,8 = 0,92$<br />7. $144:0,25 = 576$<br />8. $72:0,09 = 800$<br />9. $3,6:5 = 0,72$<br />10. $0:9,8 = 0$<br />11. $4,2:0,6 = 7$<br /><br />Portanto, as respostas corrigidas são:<br /><br />1. $7,2:1,8 = 4$<br />2. $5,6:0,6 = 9,33$<br />3. $13,5:5 = 2,7$<br />4. $0,76:10 = 0,076$<br />5. $0,76:0,6 = 1,27$<br />6. $7,2:7,8 = 0,92$<br />7. $144:0,25 = 57672:0,09 = 800$<br />9. $3,6:5 = 0,72$<br />10. $0:9,8 = 0$<br />11. $4,2:0,6 = 7$