Rekenen met breuken

04 - 12 oefeningen

Vermenigvuldigen (1)
00du - Rekenen met breuken - basis - 139ms - data pool: #33020 (138ms)
Getal & Ruimte (13e editie) - 2 havo/vwo - 1.3

Bereken.

1p

\(\frac{2}{7} ⋅ \frac{2}{5}\)

\(\frac{2}{7} ⋅ \frac{2}{5} = \frac{4}{35}\)

1p

Vermenigvuldigen (2)
00dv - Rekenen met breuken - basis - 1ms - data pool: #33020 (138ms)
Getal & Ruimte (13e editie) - 2 havo/vwo - 1.3

Bereken.

1p

\(-\frac{3}{4} ⋅ -1\frac{7}{9}\)

\(-\frac{3}{4} ⋅ -1\frac{7}{9} = -\frac{3}{4} ⋅ -\frac{16}{9} = \frac{48}{36} = \frac{4}{3} = 1\frac{1}{3}\)

1p

Vermenigvuldigen (3)
00dw - Rekenen met breuken - basis - 0ms - data pool: #33020 (138ms)
Getal & Ruimte (13e editie) - 2 havo/vwo - 1.3

Bereken.

1p

\(3\frac{3}{4} ⋅ 1\frac{1}{4}\)

\(3\frac{3}{4} ⋅ 1\frac{1}{4} = \frac{15}{4} ⋅ \frac{5}{4} = \frac{75}{16} = 4\frac{11}{16}\)

1p

Vermenigvuldigen (4)
00dx - Rekenen met breuken - basis - 0ms - data pool: #33020 (138ms)
Getal & Ruimte (13e editie) - 2 havo/vwo - 1.3

Bereken.

1p

\(8 ⋅ -2\frac{1}{2}\)

\(8 ⋅ -2\frac{1}{2} = \frac{8}{1} ⋅ -\frac{5}{2} = -\frac{40}{2} = -\frac{20}{1} = -20\)

1p

Delen (1)
00dy - Rekenen met breuken - basis - 299ms - data pool: #43684 (298ms)
Getal & Ruimte (13e editie) - 2 havo/vwo - 1.3

Bereken.

1p

\(\frac{1}{3} : -\frac{1}{3}\)

\(\frac{1}{3} : -\frac{1}{3} = \frac{1}{3} ⋅ -\frac{3}{1} = -\frac{3}{3} = -\frac{1}{1}\)

1p

Delen (2)
00dz - Rekenen met breuken - basis - 1ms - data pool: #43684 (298ms)
Getal & Ruimte (13e editie) - 2 havo/vwo - 1.3

Bereken.

1p

\(1\frac{1}{4} : \frac{5}{9}\)

\(1\frac{1}{4} : \frac{5}{9} = \frac{5}{4} : \frac{5}{9} = \frac{5}{4} ⋅ \frac{9}{5} = \frac{45}{20} = \frac{9}{4} = 2\frac{1}{4}\)

1p

Delen (3)
00e0 - Rekenen met breuken - basis - 0ms - data pool: #43684 (298ms)
Getal & Ruimte (13e editie) - 2 havo/vwo - 1.3

Bereken.

1p

\(-4\frac{1}{2} : -2\frac{2}{7}\)

\(-4\frac{1}{2} : -2\frac{2}{7} = -\frac{9}{2} : -\frac{16}{7} = -\frac{9}{2} ⋅ -\frac{7}{16} = \frac{63}{32} = 1\frac{31}{32}\)

1p

Delen (4)
00e1 - Rekenen met breuken - basis - 0ms - data pool: #43684 (298ms)
Getal & Ruimte (13e editie) - 2 havo/vwo - 1.3

Bereken.

1p

\(3 : 3\frac{1}{4}\)

\(3 : 3\frac{1}{4} = \frac{3}{1} : \frac{13}{4} = \frac{3}{1} ⋅ \frac{4}{13} = \frac{12}{13}\)

1p

Optellen (1)
00dq - Rekenen met breuken - basis - 146ms - data pool: #40460 (145ms)

Bereken.

1p

\(2\frac{3}{7} - 2\frac{5}{7}\)

\(2\frac{3}{7} - 2\frac{5}{7} = \frac{17}{7} - \frac{19}{7} = -\frac{2}{7}\)

1p

Optellen (2)
00dr - Rekenen met breuken - basis - 1ms - data pool: #40460 (145ms)

Bereken.

1p

\(-\frac{2}{9} - \frac{3}{7}\)

\(-\frac{2}{9} - \frac{3}{7} = {-14 \over 63} - {27 \over 63} = -\frac{41}{63}\)

1p

Optellen (3)
00ds - Rekenen met breuken - basis - 0ms - data pool: #40460 (145ms)

Bereken.

1p

\(-\frac{1}{2} - \frac{5}{6}\)

\(-\frac{1}{2} - \frac{5}{6} = {-3 \over 6} - {5 \over 6} = -\frac{8}{6} = -\frac{4}{3} = -1\frac{1}{3}\)

1p

Optellen (4)
00dt - Rekenen met breuken - basis - 0ms - data pool: #40460 (145ms)

Bereken.

1p

\(-3\frac{1}{6} - \frac{1}{9}\)

\(-3\frac{1}{6} - \frac{1}{9} = -\frac{19}{6} - \frac{1}{9} = {-57 \over 18} - {2 \over 18} = -\frac{59}{18} = -3\frac{5}{18}\)

1p

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