Source code for mathmaker.lib.document.content.calculation.multi_reversed

# -*- 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

import random

from mathmaker.lib import shared
from mathmaker.lib.constants.latex import COLORED_QUESTION_MARK
from mathmaker.lib.core.root_calculus import Value
from mathmaker.lib.core.base_calculus import Product
from mathmaker.lib.document.content import component


[docs]class sub_object(component.structure): def __init__(self, build_data, **options): nb_list = list(build_data) self.nb1, self.nb2 = random.sample(nb_list, 2) self.product = Product([self.nb1, self.nb2]).evaluate() self.transduration = 9
[docs] def q(self, **options): # self.substitutable_question_mark = True return _('{q_mark} × {q_mark} = {n}\n\n' '(in the multiplication tables, from 2 to 9)')\ .format(n=Value(self.product).into_str(), q_mark=COLORED_QUESTION_MARK)
[docs] def a(self, **options): # This is actually meant for self.preset == 'mental calculation' if self.product == 12: return _("{product1} or {product2}")\ .format(product1=shared.machine.write_math_style2( Product([2, 6]).printed), product2=shared.machine.write_math_style2( Product([3, 4]).printed)) elif self.product == 16: return _("{product1} or {product2}")\ .format(product1=shared.machine.write_math_style2( Product([2, 8]).printed), product2=shared.machine.write_math_style2( Product([4, 4]).printed)) elif self.product == 18: return _("{product1} or {product2}")\ .format(product1=shared.machine.write_math_style2( Product([2, 9]).printed), product2=shared.machine.write_math_style2( Product([3, 6]).printed)) elif self.product == 24: return _("{product1} or {product2}")\ .format(product1=shared.machine.write_math_style2( Product([3, 8]).printed), product2=shared.machine.write_math_style2( Product([4, 6]).printed)) elif self.product == 36: return _("{product1} or {product2}")\ .format(product1=shared.machine.write_math_style2( Product([6, 6]).printed), product2=shared.machine.write_math_style2( Product([4, 9]).printed)) else: return shared.machine.write_math_style2(Product([self.nb1, self.nb2]) .printed)
[docs] def js_a(self, **kwargs): if self.product == 12: return [Product([2, 6]).jsprinted, Product([6, 2]).jsprinted, Product([3, 4]).jsprinted, Product([4, 3]).jsprinted] elif self.product == 16: return [Product([2, 8]).jsprinted, Product([8, 2]).jsprinted, Product([4, 4]).jsprinted] elif self.product == 18: return [Product([2, 9]).jsprinted, Product([9, 2]).jsprinted, Product([3, 6]).jsprinted, Product([6, 3]).jsprinted] elif self.product == 24: return [Product([3, 8]).jsprinted, Product([8, 3]).jsprinted, Product([4, 6]).jsprinted, Product([6, 4]).jsprinted] elif self.product == 36: return [Product([4, 9]).jsprinted, Product([9, 4]).jsprinted, Product([6, 6]).jsprinted] else: return [Product([self.nb1, self.nb2]).jsprinted, Product([self.nb2, self.nb1]).jsprinted]