一、口算。
$25.04÷1000=$
$0.36×1000=$
$0.6×60=$
$107.2÷1000=$
$45.9÷9=$
$75÷1000=$
$0.81×2=$
$2.86×10=$
$640÷1000=$
$0.45×6=$
$25.04÷1000=$
0.02504
$3.6÷3=$1.2
$6.62×1000=$6620
$0.36×1000=$
360
$0.9×6=$5.4
$32.9÷7=$4.7
$0.6×60=$
36
$0.016×10000=$160
$0.906×10000=$9060
$107.2÷1000=$
0.1072
$14.5÷100=$0.145
$818÷100=$8.18
$45.9÷9=$
5.1
$4.5×100=$450
$188.4÷100=$1.884
$75÷1000=$
0.075
$6.5÷100=$0.065
$15.5÷5=$3.1
$0.81×2=$
1.62
$0.17×7=$1.19
$7.92÷6=$1.32
$2.86×10=$
28.6
$3.14÷100=$0.0314
$0.065×10=$0.65
$640÷1000=$
0.64
$3.36×100=$336
$123.4÷100=$1.234
$0.45×6=$
2.7
$35.8÷10=$3.58
$50.5×1000=$50500
答案
0.02504 1.2 6620 360 5.4 4.7 36 160 9060 0.1072 0.145 8.18 5.1 450 1.884 0.075 0.065 3.1 1.62 1.19 1.32 28.6 0.0314 0.65 0.64 336 1.234 2.7 3.58 50500
二、在$◯$里填“×”或“÷”,在( )里填合适的数。
$0.564$
$93.2$
$17.5$
$1.24$
$3.14$
$0.564$
×
(10
)$=5.64$ $6.3$×
(100
)$=630$ $153$÷
(1000
)$=0.153$$93.2$
÷
(10
)$=9.32$ $73.2$÷
(100
)$=0.732$ $4.4$×
(100
)$=440$$17.5$
×
(10
)$=175$ $48$÷
(1000
)$=0.048$ $60$÷
(10000
)$=0.006$$1.24$
×
(1000
)$=1240$ $0.2$×
(10000
)$=2000$ $0.25$×
(10000
)$=2500$$3.14$
÷
(10
)$=0.314$ $0.45$÷
(10
)$=0.045$ $1.75$÷
(100
)$=0.0175$答案
×10 ×100 ÷1000 ÷10 ÷100 ×100 ×10 ÷1000 ÷10000 ×1000 ×10000 ×10000 ÷10 ÷10 ÷100
登录