Question

zad 30

oblicz takim sposobem np;

40%-5|:4

10%-5\*10

100%-50

zadanie w załączniku

Answer 1

a 120/3=40 | 40*100=4000

b 46/23=0.2 | 0.2*100=20

c 25% = 1.2 [x4] 1.2*4=4.8

d 5*21= 105 | 100/5=20

e 20%=400 [x5] 100% = 2000

f 35%= 70 [/7] 5%=10 [x20] 100%= 200

g 52//13=4 | 4*100=400

h220%=44 [/22] 10%=2 [x10] 100%=20

i 71%=7.1 bardzo latwo w pamieci 10

j 51/17=3 3*100= 300