3 digits + 3 digits

This is a collection of PDF arithmetic and calculation questions.
Please note that there are a large number of problems and pages, so please do not print them all at once.
When printing, specify the page number in the printer settings.
Answers are not printable. Please refer to this site.

problem

Issue @50

Issue @24

Issue @12

answer

Answer@50

Answer@24

Answer@12