1. 直接写出得数。(16☆)
0.704×10=
107.3×100=
0.3×0.4=
0.12×0.3=
0.31×0.2=
0.81×2=
0.27×0.5=
0.59×0.8=
32.6×100=
9.04×1000=
0.7×0.2=
0.07×0.4=
0.08×0.3=
0.4×32=
0.91×0.4=
0.81×70=
0.009×1000=
0.51×10=
0.9×0.1=
0.23×0.2=
0.14×0.3=
5.2×0.4=
0.82×0.4=
7.3×0.03=
5.802×10=
40.9×100=
0.6×0.3=
0.09×0.5=
0.06×0.6=
0.2×0.63=
0.61×0.6=
0.66×0.2=

1. 0.704×10=7.04
107.3×100=10730
0.3×0.4=0.12
0.12×0.3=0.036
0.31×0.2=0.062
0.81×2=1.62
0.27×0.5=0.135
0.59×0.8=0.472
32.6×100=3260
9.04×1000=9040
0.7×0.2=0.14
0.07×0.4=0.028
0.08×0.3=0.024
0.4×32=12.8
0.91×0.4=0.364
0.81×70=56.7
0.009×1000=9
0.51×10=5.1
0.9×0.1=0.09
0.23×0.2=0.046
0.14×0.3=0.042
5.2×0.4=2.08
0.82×0.4=0.328
7.3×0.03=0.219
5.802×10=58.02
40.9×100=4090
0.6×0.3=0.18
0.09×0.5=0.045
0.06×0.6=0.036
0.2×0.63=0.126
0.61×0.6=0.366
0.66×0.2=0.132

2. 在○里填上“＞”“＜”或“=”。(6☆)
5.5×0.9 ○ 5.5
0.3×1.01 ○ 0.3×0.9
12.5×(8+0.8) ○ 12.5×8+12.5

2. ＜ ＞ ＜

3. 计算下面各题,能简算的要简算。(15☆)
6.4×12.5
12.6×98
3.75×56.2×0.8

3. 80 1234.8 168.6

4. 电子会员卡内还剩230元,用来买下面全部商品够吗?(13☆)

用时：分钟 共得：☆/50 ☆

4. 54.96＜55,85.39＜86,
4.80＜5,21.5＜22,36.75＜37
55+86+5×6+22+37=230(元)
54.96+85.39+4.80×6+21.5+36.75＜230
答:够买全部商品。