Question

1 supra 8 apoi 3supra 8 din numerele , 1 080,1 720, 312,744 a) b) 2 supra 5 apoi din numerele 1 305 , 2 145, 7 000, 720, 340.

Answer 1

1/8*1080=1080/8=135
1/8*1720=1720/8=215
1/8*312=312/8=39
1/8*744=744/8=93

3/8*1080=135*3=405
3/8*1720=215*3=645
3/8*312=39*3=117
3/8*744=93*3=279

2/5*1305=261*2=522
2/5*2145=429*2=858
2/5**7000=1400*2=2800
2/5*720=144*2=288
2/5*340=68*2=136

Answer 2

1/8*1080=135
1/8*1720=215
1/8*312=39
1/8*744=93

3/8*1080=405
3/8* 1720=645
3/8*312=117
3/8*744=279

2/5*1305=522
2/5*2145=858
2/5*7000=2800
2/5*720=288
2/5*340=136