Current location - Training Enrollment Network - Mathematics courses - Seventh, the problem of mathematical collocation.
Seventh, the problem of mathematical collocation.
Four kinds of meat dishes and four kinds of vegetarian dishes have 16 collocation methods.

Scientific collocation in primary schools.

Solution: There are four collocation methods for each meat dish and four vegetarian dishes, so there are 16 collocation methods for four meat dishes and four vegetarian dishes. Calculation: 4x4= 16 (species). You can also draw lines.

I hope I can help you!