Mathematics, 08.09.2021 18:10 natalymorales96
Alexandra a cumparat 4 caiete de matematica, pentru a plati 20 de lei cat va plati mihai pentru 3 caiete de acelasi fel?
rezolvare:
se scriu datele problemei altfel:
4 caiete20 lei
1 caiet20:4=5(lei)
3 caiete3•5=15(lei)
deci mihai va plati 15 lei pentru 3 caiete.
observatie: numărul caietelor ,,a crescut" sau ,,a scazut" de acelasi număr de ori
Answers: 3
Another question on Mathematics
Mathematics, 21.06.2019 15:30
In δabc, if the length of side b is 3 centimeters and the measures of ∠b and ∠c are 45° and 60°, respectively, what is the length of side c to two decimal places?
Answers: 1
Mathematics, 21.06.2019 20:40
Describe the symmetry of the figure. identify lines of symmetry, if any. find the angle and the order of any rotational symmetry.
Answers: 1
Mathematics, 21.06.2019 21:30
Every weekday, mr. jones bikes from his home to his job. sometimes he rides along two roads, the long route that is shown by the solid lines. other times, he takes the shortcut shown by the dashed line. how many fewer kilometers does mr. jones bike when he takes the shortcut instead of the long route?
Answers: 1
You know the right answer?
Alexandra a cumparat 4 caiete de matematica, pentru a plati 20 de lei cat va plati mihai pentru 3 ca...
Questions
Mathematics, 03.02.2021 01:30
Mathematics, 03.02.2021 01:30
Mathematics, 03.02.2021 01:30
Mathematics, 03.02.2021 01:30
Mathematics, 03.02.2021 01:30
Mathematics, 03.02.2021 01:30
English, 03.02.2021 01:30
Social Studies, 03.02.2021 01:30
History, 03.02.2021 01:30
Mathematics, 03.02.2021 01:30
Social Studies, 03.02.2021 01:30
English, 03.02.2021 01:30
English, 03.02.2021 01:30
Mathematics, 03.02.2021 01:30
