مرکز یادگیری

ریاضی روزمره

درصدها، نسبت‌ها، تبدیل واحدها، تاریخ‌ها و زمان‌ها.

2 مقاله

• 2 دقیقه مطالعه

  How to calculate percentages: the three types of problem

  How to solve percentage problems of all three kinds — a percentage of an amount, one number as a percentage of another, and percentage change — with checked examples.

• 1 دقیقه مطالعه

  Ratios and proportions

  Simplify ratios, share amounts in a ratio, and solve proportions — the maths behind recipes, maps and scale models.