Question

Repede 1,2,3,4 şi 5
Varog

Answer 1

1).2/5 din 85=85:5x2=34 probleme
2).3/8 din 72=72:8x3=27
72-27=45 km
3)5/100 din 200=200:100x5=10
200-10=190 kg
4).9/10din 300=300:10x9=270
300-270=30 kg
5).cat cantăreste lada?
49/4


Cat a mai rămas ?

49/4-23/3-3=(147-92-36)/12=19/12=1 intreg si  7/12=1,58 (3)kg

Answer 2

1. 2/5*85=170:5=34
2.  3/8*72= 216/8=27
72-27=45 km
3.(100/100-  5/100)*200=190kg
4.300-9/10*300= 300-270=30kg
5. 49/4- 23/3-3= (147-92-36)/12=19/12=1 si7/12      sau 1,58(3) kg