This week 4W have been learning how to solve correspondence problems systematically.
Can you solve this problem ?
How many different possibilities are there ?
This week 4W have been learning how to solve correspondence problems systematically.
Can you solve this problem ?
How many different possibilities are there ?
Coffee-velvet-5
Coffee-suede-5
Coffee-leather -5
Coffee-silk-5
coffee-wool-5
Coffee-velvet-3
Coffee-suede-3
Coffee-leather-3
Coffee-silk-3
Coffee-wool-3
Coffee-velvet-2
Coffee-suede-2
Coffee-leather-2
Coffee-silk-2
Coffee-wool-2
Coffee-velvet-6
Coffee-suede-6
Coffee-leather-6
Coffee-silk-6
Coffee-wool-6
Coffee-velvet-4
Coffee-suede-4
Coffee-leather-4
Coffee-silk-4
Coffee-wool-4
Coffee-velvet-none
Coffee-suede-none
Coffee-leather-none
Coffee-silk-none
Coffee-wool-none
30×7=210
There are 210 combinations.
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