7-5=2 коп.
получаем, что одна монета 5 коп, а вторая-2 коп.
<span><span>123+45-67+8-9 = 100</span></span>
<span><span><span>123-45-67+89 = 100</span></span></span>
<span><span><span><span>123+4-5+67-89 = 100</span></span></span></span>
135/9=15:1
185÷74=2ц 37/74=2ц1/2=5/2=5÷2
2,16÷0,3=72÷1
2,5÷3,6=25÷36
31/5÷1=31/5=31÷5
3/5=3÷5
83/17÷2=83/34=83÷34
1/17=1÷17
(70+28)/7= 98/7=14 = 70/7 + 28/7 = 10 + 4 = 14
(17+13)/5=30/5=6
(54+18)/6=72/6=12 = 54/6 + 18/6 = 9 + 3 = 12
(45+18)/3=63/3=21
(40+16)/8=56/8=7 = 40/8 + 16/8 = 5 + 2 = 7
(49+32)/9=81/9=9
(21+15)/4=36/4=9
<span>(56+35)/7=91/7=13 = 56/7 + 35/7 = 8 + 5 = 13</span>