Ответ:
3/8х=1/6
х=1/6÷3/8=1/6×8/3=1/3×4/3
х=4/9
3/8×4/9=12/72=1/6
1/6=1/6
2) 1/3÷х=-2/9
х=1/3÷(-2/9)=1/3×(-9/2)=1/1×(-3/2)
х=-3/2
1/3÷(-3/2)=-2/9
1/3×(-2/3)=-2/9
-2/9=-2/9
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Ответ:
3/8х=1/6
х=1/6÷3/8=1/6×8/3=1/3×4/3
х=4/9
3/8×4/9=12/72=1/6
1/6=1/6
2) 1/3÷х=-2/9
х=1/3÷(-2/9)=1/3×(-9/2)=1/1×(-3/2)
х=-3/2
1/3÷(-3/2)=-2/9
1/3×(-2/3)=-2/9
-2/9=-2/9