Simple operation 12.5 * 2.4-0.25 * 24

Simple operation 12.5 * 2.4-0.25 * 24

12.5*2.4-2.5*2.4
=(12.5-2.5)*2.4
=10*2.4
=24

7200 / 12 / 25 / 24 is a simple operation
How to divide 7200 by 12, 25 by 24?

7200/12/25/24 = 72x100/12/25/24
=72/24 x100/25 /12
=3x4/12
=1

How can 820-15 * 25 + 108 be operated easily?

Answer: 820-15 × 25 + 108 = 820 - (20-5) × (20 + 5) + 108 = 820 + (400-25) + 108 = 1220 + 108-25 = 1303

4 / 15 × 25 (simple calculation)

4/15 x 25
=4/(3x5) x 5 x 5
=4x5/3
=20/3

Simple calculation 125 + 75 * (15 + 25)

125+75*(15+25)
＝125+3*25*40
＝125+3*1000
＝3125

Simple operation: 25.8/0.4-15.8/0.4

25.8/0.4-15.8/0.4
=(25.8-15.8)/0.4
=10/0.4
=25

How to calculate 155-15 / 0.25 simply

25 becomes 1 / 4, so 15 / 0.25 becomes 15 × 4

Simple operation: 15 * 888 + 32 * 0.125 * 0.25

15*888+32*0.125*0.25
=15*8*111+8*4*0.125*0.25
=120*111+1
=100*111+20*111+1
=11100+2220+1
=13321

9 / 1 {7 / 1 [5 / 1 (3 / y + 2 + 4) + 6] + 8} = 1

9/1{7/1[5/1（3/y+2+4）+6]+8}=1
7/1[5/1（3/y+2+4）+6]+8=9
7/1[5/1（3/y+2+4）+6]=1
5/1（3/y+2+4）+6=7
5/1（3/y+2+4）=1
3/y+2+4=5
3/y+2=1
3/y=-1
y=-3
It's like breaking garlic. It's fun

[5 / 8 + 3 / 5] how to divide by 7 / 4 + 9 / 10

[5 / 8 + 3 / 5] divided by 7 / 4 + 9 / 10
=49/40x4/7+9/10
=7/10+9/10
=8/5
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