Divide 16 by 2.5 and write down the simple method. Use the simple method to calculate. 1125-997 = 998 + 1246 + 9989=

Divide 16 by 2.5 and write down the simple method. Use the simple method to calculate. 1125-997 = 998 + 1246 + 9989=

16÷2.5
=(16×4)÷(2.5×4)
=64÷10
=6.4
1125-997
=1125-1000+3
=125+3
=128
998+1246+9989
=(998+2)+(1246-2-11)+(9989+11)
=1000+1233+10000
=12233

Write down what simple method is used? Divide 16 by 2.5 and calculate it in a simple way. 1125-997 = 998 + 1246 + 9989=

16 / 2.5 = 32 / 5 = 6.4
1125-997= 1125-1000+3=125+3=128
998+1246+9989=998+2+1233+11+9989
=1000+1233+10000=12233

How to calculate 12 / 13-1 / 6 + 1 / 13-1 / 6?

12/13－1/6+1/13-1/6
=(12/13+1/13)-(1/6+1/6)
=1-1/3
=2/3

Simple calculation of 51 / 6 * 1 / 13 + 5 / 6 + 12 / 13

It is equal to 51 / 6 × 1 / 13 + 5 / 6 × 12 / 13 + 1 / 6-1 / 6 + 1 / 13-1 / 13
Equal to 2 + 6:51 × 13:1-6:1-13:1
Equal to 2 + (51-13-6) / (6 * 13)
It's 16 out of 2 and 39