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電子課本網(wǎng) 第83頁

第83頁

信息發(fā)布者:
?$B$?
A
C
D
A
370
13
?$\frac 13$?
100
0.75
4
$1\frac{2}{5}$
$11\frac{5}{8}$
$1\frac{1}{5}$
$\frac{15}{16}$
=8470-(100+2)×65
=8470-100×65-2×65
=8470-6500-130
=1840
=168.1÷(8.6-0.4)
=168.1÷8.2
=20.5
=(9.7+1.3)-(3.79+6.21)
=11-10
=1
?$=6×\frac 14+13×\frac 14-19×\frac 14$?
?$=(6+13-19)×\frac 14$?
?$=0$?
?$=(\frac 35+\frac 25-\frac 34)×\frac 14$?
?$=\frac 14×\frac 14$?
?$=\frac 1{16}$?
?$=\frac 19×4×9-\frac 1{12}×4×9$?
?$=4-3$?
?$=1$?