oblicz
a) 5 *3 4/5=
11 1/2*4=
9*2 3/7=
6*3 5/18=
4 5/8 *3=
2 7/12 *8=
zadanie 2
7/15 :3=
9/25:4=
3 3/7:6=
6/21:6=
5/17:15=
2 3/5:10=
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zad.1
a) 5*34/5= 34
111/2*4=222
9*23/7=207/7 czyli 29 calych i 4/7
6*35/18=35/3 czyli 11 calych i 2/3
45/8*3=135/8 czyli 16 calych i 7/8
27/12*8=18
zad.2
7/15:3=7/15
9/25:4=9/100
33/7:6=11/14
6/21:6=1/21
5/17:15= 1/51
23/5:10=23/50
a) 5 * 3⅘= 5* ¹⁹/₅ = 19
11½ * 4= ²³/₂ * 4 =23*2= 46
9*2³/₇= 9* ¹⁷/₇= ¹⁵³/₇= 21⁶/₇
6*3 ⁵/₁₈= 6* ⁵⁹/₁₈= ⁵⁹/₃= 19 ⅔
4⅝ *3= ³⁷/₈* 3= ¹¹¹/₈= 13⅞
2⁷/₁₂ *8= ³¹/₁₂* 8= ²⁴⁸/₁₂= 20⅔
zadanie 2
⁷/₁₅ :3= ⁷/₁₅* ⅓= ⁷/₄₅
⁹/₂₅ :4= ⁹/₂₅ *¼= ⁹/₁₀₀
3³/₇ :6= ²⁴/₇ *⅙ = ⁴/₇
⁶/₂₁ :6= ⁶/₂₁ *⅙= ¹/₂₁
⁵/₁₇ :15= ⁵/₁₇ * ¹/₁₅ = ¹/₅₁
2⅗ :10= ¹³/₅ *¹/₁₀= ¹³/₅₀
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