1) число можно уменьшить на: 1, 2, 3, 4, 5
9785 - 1 = 9784
9785 - 2 = 9783
9785 - 3 = 9782
9785 - 4 = 9781
9785 - 5 = 9780
2) число можно уменьшить на: 10, 20, 30, 40, 50, 60, 70, 80
9785 - 10 = 9775
9785 - 20 = 9765
9785 - 30 = 9755
9785 - 40 = 9745
9785 - 50 = 9735
9785 - 60 = 9725
9785 - 70 = 9715
9785 - 80 = 9705
3) число можно уменьшить на: 100, 200, 300, 400, 500, 600, 700
9785 - 100 = 9685
9785 - 200 = 9585
9785 - 300 = 9485
9785 - 400 = 9385
9785 - 500 = 9285
9785 - 600 = 9185
9785 - 700 = 9085
4) число можно уменьшить на: 1000, 2000, 3000, 4000, 5000, 6000, 7000, 8000
9785 - 1000 = 8785
9785 - 2000 = 7785
9785 - 3000 = 6785
9785 - 4000 = 5785
9785 - 5000 = 4785
9785 - 6000 = 3785
9785 - 7000 = 2785
9785 - 8000 = 1785
1) 5/3 или 1 2/3
2) 106 2/3
<span>(90050-219*380+190)/90=78</span>
<span>1)219*380=83220; 2)90050-83220=6830; 3)6830+190=7020; 4)7020:90=78</span>
<span><span>(302281-12649)/48+3966=10000</span></span>
<span><span>1)302281-12649=289632; 2)289632:48=6034; 3)6034+3966=10000</span></span>
<span><span><span>(21000-308*29)/4+14147/47=3318</span></span></span>
<span><span><span>1)308*29=8932; 2)21000-8932=12068; 3)12068:4=3017; 4)14147:47=301; 5)3014+301=3318</span></span></span>
<span><span><span><span>13440/32/7+7*123=921</span></span></span></span>
<span><span><span><span>1)13440/32=420; 2)420:7=60; 3)7*123=861; 4)60+861=921</span></span></span></span>
<span><span><span><span><span>(1638/39+13284/36)/0=</span></span></span></span></span>
<span><span><span><span><span>1)1638:39=42; 2)13284:36=369; 3)42+369=411; 4)411:0=тут противоречие.на ноль делить нельзя</span></span></span></span></span>
<span><span><span><span><span><span>509*603-999999/11+3982=220000</span></span></span></span></span></span>
1)509*603=306927; 2)999999/11=90909; 3)306927-90909=216018; 4)216018+3982=220000
ВЫЧИТАЕМЫЕ -3, -9,-10, -10, -0, -4, -10,-2, -6
А) 720-300=420приключенческие
420-300=120 Приключенческий больше чем сборников
Б)720/9=80пачек
В)720/8=90стелажей