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電子課本網(wǎng) › 第118頁(yè)

第118頁(yè)

信息發(fā)布者：
?$?\frac{5}{6}?$?
9
?$?\frac{1}{6}?$?
100
?$?\frac{1}{10}?$?
0
?$?\frac{1}{2}?$?
36
?$?=437×0.6-137×0.6?$?
?$?=(437-137)×0.6?$?
?$?=300×0.6?$?
?$?=180?$?
?$?=\frac{2}{9}×4+\frac{2}{11}×4+\frac{3}{11}?$?
?$?=\frac{8}{9}+(\frac{8}{11}+\frac{3}{11})?$?
?$?=\frac{8}{9}+1?$?
?$?=1\frac{8}{9}?$?
?$?=8×\frac{9}{8}-\frac{8}{9}×\frac{1}{8}?$?
?$?=9-\frac{1}{9}?$?
?$?=8\frac{8}{9}?$?
?$?解:2.4x=1.68?$?
             ?$?x=1.68÷2.4?$?
             ?$?x=0.7?$?
?$?解:\frac{1}{12}x=\frac{8}{3}?$?
           ?$?x=\frac{8}{3}×12?$?
           ?$?x=32?$?
15
24
32

75
?$?23\frac{3}{4}?$?
32
62.5
105
?$?\frac{8}{25}?$?
?$?\frac{25}{2}?$?
5:4
20
32
22
8
12
90
20
420
?$?=\frac{7}{6}÷(\frac{7}{10}÷\frac{4}{15})?$?
?$?=\frac{7}{6}÷\frac{21}{8}?$?
?$?=\frac{7}{6}×\frac{8}{21}?$?
?$?=\frac {4}{9}?$?
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