2026年亮点给力计算天天练五年级数学下册苏教版第38页答案
一、直接写出得数。(共32分)
40÷50=
3.8+6.2=
1.9+2.7=
4.5×0.7×0.2=
11.7+2.8=
4×0.5=
10÷100=
4.8÷12×0.3=
10-2.2=
6.5-5.6=
7×2.1=
2.5+0.25+1.75=
84.6÷60=
2.43+1.87=
4.8÷2.4=
7.6÷0.38×0.2=
3.4×4=
0.25×400=
55-5.5=
1.4×0.5+3.3=
1.4×9=
1.88×50=
0.64÷0.08=
9.1-1.93-3.07=
4.2÷0.21=
0.63×2=
80×5=
0.6×0.6÷0.4=
8.8÷0.11=
14.8-2.2=
3.5×8=
3.5×8-8=

答案

0.8 10 4.6 0.63
14.5 2 0.1 0.12
7.8 0.9 14.7 4.5
1.41 4.3 2 4
13.6 100 49.5 4
12.6 94 8 4.1
20 1.26 400 0.9
80 12.6 28 20
二、计算下面各题,能简算的要简算。(共12分)
3.54÷0.6+7.84
22.78÷1.25÷0.8+3.4
3.63-(0.63+0.96÷3.2)
1.4×16.5-8.7
25.3×0.45+25.3×0.55
5.4÷[0.51÷(1.2-1.03)]

答案

13.74 26.18 2.7
14.4 25.3 1.8
三、解方程。(共18分)
0.48x+2x=14.88
10.5-x=2.6
3.18×2+2x=14.26
x÷5-27=13
15x-5×4=85
2.2x-1.8x+2.56=15

答案

x=6 x=7.9 x=3.95
x=200 x=7 x=31.1