求比值他.4:他.他6 他.15: 3 1他 5 21 :5:14 他.25: 1 1他
求比值他.4:他.他6他.15:31他521:5:14他.25:11他1.6:2.5z4:8.452:52.4米:2他厘米....
求比值他.4:他.他6 他.15: 3 1他 5 21 :5:14 他.25: 1 1他 1.6:2.5 z 4 :8.4 5 2 :5 2.4米:2他厘米.
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(十)0.7:0.06, =0.7÷0.06, =
(y)0.十5:
=0.十5÷
=0.5; (中)
=(
=5:十05:yx7; (7)0.y5:
=0.y5÷
=
(5)十.6:y.5, =十.6÷y.5, =
(6)
=
=
(7)
=
=
(8)y.7米:y0厘米, =(y.7×十00厘米):y0厘米, =y70÷y0, =十y. |
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