№1236
1) 0,08 = 8/100 = 2/25
0,06 = 6/100 = 3/50
0,032 = 32/1000 = 4/125
0,0625 = 625/10000 = 25/400 = 5/80 = 1/16
0,005 = 5/1000 = 1/200
0,0056 = 56/10000 = 7/125
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2) 2,075 = 2ц.75/1000= 2ц 3/40
4,004 = 4ц.4/1000 = 4ц.1/250
5,064 = 5ц.64/1000 = 5ц.8/125
17,0075 = 17ц.75/10000 = 17ц.3/400
43,008 = 43ц.8/1000 = 43ц.1/125
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№1237
3 1/20 = 3,05
4 8/25 = 4,32
7 11/20 = 7,55
12 4/25 = 12,16
9 13/50 = 9,26
Ответ-24 см -2 стороны,17 см-3,4 сторона-8см
31-х=23.
Х=31-23
Х=8
31-8=23
23=23
А)1\10 б)10\9 10\8 10\7 10\6 10\5 10\4 10\3 10\2 10\1
2\10
3\10
4\10
5\10
6\10
7\10\
8\10
9\10