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求比值(比值=比的前项÷比的后项) 0.6:0.16= 23:67= 0.8:12= 48:
求比值(比值=比的前项÷比的后项)0.6:0.16=23:67=0.8:12=48:40=...
求比值(比值=比的前项÷比的后项) 0.6:0.16= 23:67= 0.8:12= 48:40=
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(1)0.6:0.16,
=0.6÷0.16,
=
;
(2)
:
,
=
÷
,
=
;
(3)0.8:
,
=0.8÷0.5,
=
;
(4)48:40,
=48÷40,
=
.
=0.6÷0.16,
=
15 |
4 |
(2)
2 |
3 |
6 |
7 |
=
2 |
3 |
6 |
7 |
=
7 |
9 |
(3)0.8:
1 |
2 |
=0.8÷0.5,
=
8 |
5 |
(4)48:40,
=48÷40,
=
6 |
5 |
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