How many centimeters is 9 decimeters minus 14 centimeters

How many centimeters is 9 decimeters minus 14 centimeters

76cm

One or four meters equals () decimeters, () centimeters

It's 40 decimeters and 140 centimeters

What's seven out of nineteen minus five four

41 out of 95

How much is minus 1 minus 2 minus 3 down to 1000? Thank you

-1-2-3-...-1000
=(-1-1000)+(-2-999)+(-3-998)+…… +（-500-501）
=（-1001）+（-1001）+（-1001）+…… +(- 1001) [total 500 - 1001 added]
=（-1001）X500
=-500500

How much is 28.6 minus (2.5 minus 11.4)? How to calculate?

The simplest is 28.6-2.5 + 11.4 = 37.5

How much is 1.2 minus 7? How?

1.2-7=-5.8
(do you know the plural? You can work out the result of 7-1.2 and add a minus sign
For example, 3-4.5 = - 1.5 is the same, but I don't know if this is the mainstream algorithm

What's six out of 27 plus five out of 36?

Please connect 1, 27, 64 and 99 with operation symbol, which is equal to 24

64÷（99÷27-1）=24

Rewrite the following equation into proportion. (write 8) 3 × 40 = 5 × 24

3:5=24:40
3:24=5:40
5:40=3:24
5:3=40:24
40:5=24:3
40:24=5:3
24:40=3:5
24:3=40:5

3 * 40 = 8 * 15 write ratio

Li 13173008018,
3：15＝8：40
15：3＝40：8
3：8＝15：40
8：3＝40：15
40：8＝15：3
8：40＝3：15
15：40＝3：8
40：15＝8：3