Question

oblicz:
a) 1,097×100
b) 3 1/5-1,8
c) 1,75+2 2/3
d) 1 2/7×1,4
e)2,7÷3 3/4
f)0,3³
z gory dziekuje!!​

Answer 1

a) 1,097x100=109,7

b) 3 1/5-1,8=3,2-1,8=1,4

c) 1,75+2 2/3=1 3/4+2 2/3=1 9/12+2 8/12=3 17/12=4 5/12

d) 1 2/7x1,4=1 2/7x1 4/10=9/7x14/10=18/10=1 8/10=1,8

e)2,7:3 3/4=27/10:15/4=27/10*4/15=27/5*2/15=9/5*2/3=3/5*2/1=6/5=1 1/5=1,2

f)0,3^3=(3/10)^3=27/1000=0,027