1. 直接写出得数。
0.48÷4.8=
6.06+4.4=
10÷0.125=
0.38×0.2×0=
6.5-0.9=
7.83-5.62=
6.02-5.99=
5.6×9+5.6=
0.7+4.03=
0.78+2.2=
10-0.96=
2×1.3×0.5=
5.3×2=
7÷0.7=
58.5÷9=
0.7×0.7×5=
0.7×0.9=
3.8÷19=
30×0.12=
9.6-3.6÷6=
1.5×60=
0.75÷0.25=
72.4÷4=
(1.5+4.5)÷4=
3.6×0.5=
3.4÷1.7=
91.5÷5=
0.4÷0.4-0.4=
1.6×0.2=
85÷0.17=
32.2÷7=
3.6+4.18+6.4=
0.48÷4.8=
6.06+4.4=
10÷0.125=
0.38×0.2×0=
6.5-0.9=
7.83-5.62=
6.02-5.99=
5.6×9+5.6=
0.7+4.03=
0.78+2.2=
10-0.96=
2×1.3×0.5=
5.3×2=
7÷0.7=
58.5÷9=
0.7×0.7×5=
0.7×0.9=
3.8÷19=
30×0.12=
9.6-3.6÷6=
1.5×60=
0.75÷0.25=
72.4÷4=
(1.5+4.5)÷4=
3.6×0.5=
3.4÷1.7=
91.5÷5=
0.4÷0.4-0.4=
1.6×0.2=
85÷0.17=
32.2÷7=
3.6+4.18+6.4=
答案
1. 0.1 10.46 80 0 5.6 2.21 0.03 56 4.73 2.98 9.04 1.3 10.6 10 6.5 2.45 0.63 0.2 3.6 9 90 3 18.1 1.5 1.8 2 18.3 0.6 0.32 500 4.6 14.18
2. 解方程。
0.8x=15.2
3.6x÷0.8=10.8
3.1x-0.4×7=6.5
0.7x+0.5x=14.4
2.3×4+0.2x=10.2
4.2×3-3x=5.1
0.8x=15.2
3.6x÷0.8=10.8
3.1x-0.4×7=6.5
0.7x+0.5x=14.4
2.3×4+0.2x=10.2
4.2×3-3x=5.1
答案
2. $ x = 19 $ $ x = 2.4 $ $ x = 3 $ $ x = 12 $ $ x = 5 $ $ x = 2.5 $
如图,将长为 14 厘米、宽为 10 厘米的长方形硬纸板的四角裁掉边长为 2 厘米的正方形,然后沿虚线折叠成无盖长方体容器,这个容器的容积是(

120
)立方厘米。(纸板厚度忽略不计)答案
思维提升
120
120
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