Pline :) Daje naj!!!
1.
⅔ masy 18kg.
¾ kwoty 60zł.
4/5 objętości 20l.
2.
⅔ ÷ 5/8 =
3 ÷¼ =
7/9 ÷ 3 =
3.
⅝ liczby 20 =
⅔ liczby 3¾ =
1⅓ liczby 2⅞ =
Będę wdzięczna za całość, ale za jedno zadanie też dziękuje =D
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2/3 z 18kg to jest (18:3)x2=6x2=12
3/4 z 60zl to jest (60:4)x3=15x3=45
4/5 z 20l to jest (20:5)x4=4x4=16
zad2
2/3:5/8=1i1/15
3:1/4=12
7/9:3=7/27
Zad. 1
12kg
45zł
16l
Zad. 2
16/15
12
7/27
Zad. 3
100/3 = 33 i ⅓
5/2
52/9
a) 2/3 masy 18 kg
18kg * 2/3 =
= 12kg
b) 3/4 kwoty 60 zł
60zł * 3/4 =
= 45zł
c) 4/5 objetości 20 litrów
20l * 4/5 =
= 16litrów
=========================================
Zad.2
⅔ ÷ 5/8 =
= 2/3 * 8/5 =
= 16/15 =
= 1 i 1/15
==========================
3 ÷ ¼ =
= 3 * 4 =
= 12
==========================
7/9 ÷ 3 =
= 7/9 * 1/3 =
= 7/27
==========================
Zad.3
a) 5/8 liczby 20
20 * 5/8 =
= 25/2 =
= 12,5
================
b) 2/3 liczby 3 3/4
15/4 * 2/3 =
= 5/2 =
= 2 i 1/2
================
c) 1 1/3 liczby 2 7/8
2 7/8 * 1 1/3 =
= 23/8 * 4/3 =
= 23/6 =
= 3 i 5/6