1. 12,6 * 5,18 – 26 + 30 3/5 : 3,4 =

Posted on

2. 17,15 : 3 1/2 + 14,86 – 6 4/5 =
3. ( 6,28 + 9 4/5) * 7,24 – 17 3/8 =

Mohon di bantu jawab ya

1. 12,6 * 5,18 – 26 + 30 3/5 : 3,4 =

1. 
126/10 x 518/10 – 26 + 153/5 x 10/34
65268/100 – 26 + 9
65268/100 -17

65268/100 – 1700/100
63568/100
635,68

2.

1715/100 x 2/7 + 1486/100 – 34/5
49/10 + 1486/100 – 34/5

490/100 + 1486/100 – 680/100
1296/100
12,96

3.
(628/100 + 49/5)724/100 – 139/8
(628/100 + 980/100) 724/100 – 17375/1000
1608/100 x 724/100 – 17375/1000
1164192/10000 – 173750/10000
990442/10000
99,0442

maaf ribet