(50 + 5 / 8) * 1 / 5 simple calculation

(50 + 5 / 8) * 1 / 5 simple calculation

(50+5/8)*1/5
=50x1/5+5/8x1/5
=10+1/8
=10 and 1 / 8
If you don't understand this question, you can ask,

Simple operation of 50 △ 2.5 + 1.8 × 4.5
How to calculate 50 △ 2.5 + 1.8 × 4.5 simply?

50÷2.5+1.8×4.5
=﹙50×4﹚÷﹙2.5×4﹚+0.9×2×4.5
=200÷10+0.9×9
=20+8.1
=28.1

1+2+3+4+5+6+7+8+…… 49=?

1+49+2+48+3+47+...+24+26+25
=50×24+25
=1225

Calculate 1 + (2 + 3) - (4 + 5) + (6 + 7) - (8 + 9) ········ - (48 + 49) + 50=

1+(2+3)-(4+5)+(6+7)-(8+9)······-(48+49)+50
=1+48÷4×（-4）+50
=1-48+50
=3