Вычислите 1) |-7|-|-3.6|:|1.2| 2) |6целых 3/7|:|-9|+4целых 1/3. 3)|-7/2.7|*|-1целая...

Question

Вычислите 1) |-7|-|-3.6|:|1.2| 2) |6целых 3/7|:|-9|+4целых 1/3. 3)|-7/2.7|*|-1целая 1/7|*3. 4) |-2.7|:|-1целая 4/5|*|1 целая 5/9|

Answer 1

1) 7 - 3.6/ 1.2=7-3=4

Comments

а еще

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2) |6 3/7| : |-9|+ 4 1/3 = 45/3 : 27+13 / 3 = 45*3/3*40 =45/40=9/8=1 1/8

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|-7/2.7|*|-1 1/7|*3= 7/2.7* 8/7*3=7*8*3/2.7*7 =8*30/27 = 80/9 =8 8/9

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4)2,7:1 4/5*1 5/9=2 7/10:9/5*14/5=27*5*14/10*9*5=42/10=4.2 или 4 1/5