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Ex. 13. 30l=90l

40l=120l

10l=5l. 25l=75l

20l=10l. 125l=375l

16l=8l. 15l=45l

12l=6l. 200l=600l

30l=15l. 300l=900l

50l=25l. 2l=6l

100l=50l

10ml=5ml. 4ml=1ml

20ml=10ml. 16ml=4ml

16ml=8ml. 20ml=5ml

12ml=6ml. 36ml=9ml

30ml=15ml. 32ml=8ml

50ml=25ml. 40ml=10ml

100ml=50ml. 24ml=6ml

Explicație pas cu pas:

Ex.14

9l×8=72l

7l×6=42l

5l×9=45l

6l×4=24l

10l×3=30l

5ml×6=30ml

16ml÷4=4ml

32l÷8=4l

81ml÷9=9ml

48ml÷6=8ml

72l÷9=8l

63ml÷7=9ml

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