解比例.X:14=6:280.75x=0.25338:13=x:160.5:0.25=x:6x0.08=20.413:x=4:12.-六年级数学
题文
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答案
(1)X:14=6:28, 28X=14×6, 28X=84, x=3; (2)
0.25x=0.75×3, 0.25x=2.25, x=9; (3)
x=
(4)0.5:0.25=x:6, 0.25x=0.5×6, 0.25x=3, x=12; (5)
0.4x=2×0.08, 0.4x=0.16, x=0.4; (6) |
题文
|
答案
(1)X:14=6:28, 28X=14×6, 28X=84, x=3; (2)
0.25x=0.75×3, 0.25x=2.25, x=9; (3)
x=
(4)0.5:0.25=x:6, 0.25x=0.5×6, 0.25x=3, x=12; (5)
0.4x=2×0.08, 0.4x=0.16, x=0.4; (6) |