# -*- coding: utf-8 -*-
# Mathmaker creates automatically maths exercises sheets
# with their answers
# Copyright 2006-2017 Nicolas Hainaux <nh.techn@gmail.com>
# This file is part of Mathmaker.
# Mathmaker is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 3 of the License, or
# any later version.
# Mathmaker is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
# You should have received a copy of the GNU General Public License
# along with Mathmaker; if not, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
# This module will add a question about the sum of two numbers
from . import vocabulary_questions
[docs]class sub_object(vocabulary_questions.structure):
def __init__(self, build_data, **options):
super().__init__(
build_data,
result_fct=lambda x, y: max(x, y) - min(x, y),
wording=_("How much is the difference between {nb1} and {nb2}?"),
**options)
self.transduration = 10
if ((self.nb1 > 20 and self.nb2 > 20
and abs(self.nb1 - self.nb2) > 10
and abs(self.nb1 - self.nb2) % 10 != 0)
or abs(self.nb1 - self.nb2) % 1 != 0):
self.transduration = 14