A pizzeria offers mushrooms, peppers, tomatoes, and sausage as toppings for the plain base. How many different types of pizza can be made?
回答 (3)
2017-11-29 9:38 am
Plain
M
P
T
S
Mp
Mt
Ms
Pt
Ps
St
Mpt
Mps
Mst
Pst
Mpst
12
M
P
T
S
Mp
Mt
Ms
Pt
Ps
St
Mpt
Mps
Mst
Pst
Mpst
12
2017-11-29 8:55 am
2^4 - 1 = 15
2017-11-29 8:58 am
If you do not consider pizza without the plain base, you have four options (ABCD). A AB AC AD B BC BD C CD D and just plain. 11 total choices.
收錄日期: 2021-05-01 22:00:35
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