電子課本網(wǎng) › 第98頁

第98頁

信息發(fā)布者：

$\frac{5}{6}$

$9$

$\frac{1}{6}$

$100$

$\frac{1}{10}$

$0$

$\frac{1}{2}$

$36$

?$?=437×0.6-137×0.6?$?
?$?=(437-137)×0.6?$?
?$?=300×0.6?$?
?$?=180?$?

?$?=\frac{2}{9}×4+\frac{2}{11}×4+\frac{3}{11}?$?
?$?=\frac{8}{9}+(\frac{8}{11}+\frac{3}{11})?$?
?$?=\frac{8}{9}+1?$?
?$?=1\frac{8}{9}?$?

?$?=8×\frac{9}{8}-\frac{8}{9}×\frac{1}{8}?$?

?$?=9-\frac{1}{9}?$?

?$?=8\frac{8}{9}?$?

?$?=\frac{7}{6}÷(\frac{7}{10}÷\frac{4}{15})?$?

?$?=\frac{7}{6}÷\frac{21}{8}?$?

?$?=\frac{7}{6}×\frac{8}{21}?$?

?$?=\frac {4}{9}?$?

?$?解:2.4x=1.68?$?
             ?$?x=1.68÷2.4?$?
             ?$?x=0.7?$?

?$?解:\frac{1}{12}x=\frac{8}{3}?$?

?$?x=\frac{8}{3}×12?$?

?$?x=32?$?

$15$

$24$

$32$

$75$

$23\frac{3}{4}$

$32$

$62.5$

$105$

$\frac{8}{25}$

$\frac{25}{2}$

$5:4$

$20$

$30$

$22$

$24$

$8$

$90$

$20$

亚洲激情+欧美激情,无码任你躁久久久久久,我的极品美女老婆,性欧美牲交在线视频,亚洲av高清在线一区二区三区