proszę o rozwiązanie 4 zadań z matematyki z góry dziękuje
zadania są w załączniku
Rozwiązanie zadania w załączniku.
1) 2-4/3(1-3/5)+5=2-4/3*2/5 +5=2-8/15+5=1 7/15+5=6 7/15
2) 1 5/12-9/8-2 5/6=1 20/48-56/48-2 40/48=68/48-56/48-136/48=-124/48=-2 28/48
3) 7/6+(-5/4-4/3)=14/12+(-15/12-16/12)=14/12-31/12=-17/12=-1 5/12
4)(2 3/4:1/7 - 22)/6-(-5)=(11/4*7/1-22)/11=(77/4-22)/11=11(7/4-2)/11=7/4-8/4=-1/4
zad 1
2-4/3(5\5 - 3\5) +5=
2- 4\3×2\5 = 5=
2 - 8\15+5=
30\15 - 8\15 +5=
22\15 + 5=
5 22\15=
6 7\15
ZAD 2
1 20\48 - 54\48 -2 40\48=
68\48 - 54\48 - 2 40\48=
14\48 -2 40\48=
- 2 26\48=
- 2 13\24
zd 3
7\6 + ( - 15\12 - 16\12)=
7\6 - 31\12
14\12 - 31\12=
- 17\12=
- 1 5\12
ZAD4
11\4 ×7\1 -22 77\4 - 22 77\4 - 88\4 - 11\4
---------------- = ----------------- = --------------------- = --------------- =
- 11\4 ÷ 11=
-11\4 × 1\11 =
- 1\4
11 11 11 11
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Rozwiązanie zadania w załączniku.
1) 2-4/3(1-3/5)+5=2-4/3*2/5 +5=2-8/15+5=1 7/15+5=6 7/15
2) 1 5/12-9/8-2 5/6=1 20/48-56/48-2 40/48=68/48-56/48-136/48=-124/48=-2 28/48
3) 7/6+(-5/4-4/3)=14/12+(-15/12-16/12)=14/12-31/12=-17/12=-1 5/12
4)(2 3/4:1/7 - 22)/6-(-5)=(11/4*7/1-22)/11=(77/4-22)/11=11(7/4-2)/11=7/4-8/4=-1/4
zad 1
2-4/3(5\5 - 3\5) +5=
2- 4\3×2\5 = 5=
2 - 8\15+5=
30\15 - 8\15 +5=
22\15 + 5=
5 22\15=
6 7\15
ZAD 2
1 20\48 - 54\48 -2 40\48=
68\48 - 54\48 - 2 40\48=
14\48 -2 40\48=
- 2 26\48=
- 2 13\24
zd 3
7\6 + ( - 15\12 - 16\12)=
7\6 - 31\12
14\12 - 31\12=
- 17\12=
- 1 5\12
ZAD4
11\4 ×7\1 -22 77\4 - 22 77\4 - 88\4 - 11\4
---------------- = ----------------- = --------------------- = --------------- =
- 11\4 ÷ 11=
-11\4 × 1\11 =
- 1\4
11 11 11 11