1) 2 2/5:0,4-3,7First, convert 2 2/5 to an improper fraction2 2/5 = (5*2 + 2)/5 = 12/5
Next, divide 12/5 by 0.412/5 ÷ 0.4 = (12/5) / (2/5) = 12/5 * 5/2 = 12/2 = 6
Finally, subtract 3.7 from 66 - 3.7 = 2.3
Therefore, 2 2/5 divided by 0.4 minus 3.7 equals 2.3.
2) 1/4 10 + 3.5 First, multiply 1/4 by 101/4 10 = 10/4 = 2.5
Next, add 2.5 to 3.52.5 + 3.5 = 6
Therefore, 1/4 multiplied by 10 plus 3.5 equals 6.
1) 2 2/5:0,4-3,7
First, convert 2 2/5 to an improper fraction
2 2/5 = (5*2 + 2)/5 = 12/5
Next, divide 12/5 by 0.4
12/5 ÷ 0.4 = (12/5) / (2/5) = 12/5 * 5/2 = 12/2 = 6
Finally, subtract 3.7 from 6
6 - 3.7 = 2.3
Therefore, 2 2/5 divided by 0.4 minus 3.7 equals 2.3.
2) 1/4 10 + 3.5
First, multiply 1/4 by 10
1/4 10 = 10/4 = 2.5
Next, add 2.5 to 3.5
2.5 + 3.5 = 6
Therefore, 1/4 multiplied by 10 plus 3.5 equals 6.