....................................
1) 270:20=13( ост.10)
2) 6600:900=7(ост.300)
3) 58000:8000=7(ост.2000)
4) 260:50=5(ост10)
5) 2000:300=6(ост.200)
6) 19000:6000=3(ост.1000)
А)3ряда,3клетки,3см
б)4 столбца,4 клетки,4см
(45а + 60b) : 5=45а + 60b: 5 (117m + 91) : 13=<span>117m + 7</span>
0,7 = 7/10
5/6 -0,7 -5/42 -0,7 -1/3 -0,7- <span>4/7 -0,7 =
</span>5/6 - 7/10 - 5/42 - 7/10 - 1/3 - 7/10 - 4/7 - 7/10 =
5/6 - 5/42 - 1/3 - 4/7 - 7/10 - 7/10 - 7/10 - 7/10 =
35/42 - 5/42 - 7/21 - 12/21 - 28/10 =
30/42 - 19/21 - 28/10 =
15/21 - 19/21 - 14/5 =
-4/21 - 14/5 =
-20/105 - 294/105 =
-314/105