五年级数学递等式计算题Word格式文档下载.docx
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五年级数学递等式计算题Word格式文档下载.docx
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3、递等式计算,能简便的用简便方法计算。
(18分)
5.5×
8.2+1.8×
5.50.25×
0.89×
44.8×
0.98
8.8×
1.257.65÷
0.85+1.123.4÷
5.2×
3.2
0.4×
5=4.2÷
0.2=4.2-1.6=21.7÷
0.07=
1.6×
7=25.25÷
5=1.25×
8=60×
0.9=
0.8×
0.1=0÷
7.05=0.4×
2.5=1.7+3.3×
0.2=
56.5×
0.24=93.6÷
0.052=
2.35×
4.64+5.36×
2.3512.5×
1.36×
0.82.6×
10.1
4.4×
0.2525.2÷
12+2.943.5÷
15-1.45
1.25×
8=3.6÷
10=6.3+0.37=2.6÷
0.02=
0.11×
5=4.8÷
4=0.25×
4=1.12×
0.5=0÷
7.05=1.5×
30=3.5+6.5×
20=
(6分)新课标第一网
0.59×
0.027=6.72÷
6.4=
1.87×
3.05+8.13×
3.051.25×
0.45×
0.89.8×
3.7
0.44×
2.52.25×
0.4+0.631.04÷
3.2-4.7
4=0.25×
0.5=0÷
30=3.5+6.5×
1.24×
0.15=0.39÷
7.8=
3.26×
10.1-0.1×
3.260.125×
9.8×
8102×
4.8
2.4×
2.5(27.8-15.6)×
0.89.12÷
57+4.84
8=2.8÷
100=6.3+0.37=2.6÷
0.13×
5=9.6÷
6=0.25×
4=2.34×
0.6×
1.5=0÷
7.05=2.3×
20=4.3+5.7÷
1.9=
1.03×
5.9=3.8÷
4.5≈
(得数保留两位小数)
1.39×
6.1+3.9×
1.390.25×
0.410.1×
1.9
1.250.48×
20.2-4.242.72÷
0.48+0.52
8=1÷
0.125=6.13×
0=3.9÷
0.65=
5=10÷
2.5=0.37×
0.4=2.34×
2.5×
4=0÷
21.35=1.6×
0.5=4.3+5.7÷
0.86×
1.2=5.63÷
6.1≈
1.2×
2.5+0.8×
2.52.33×
0.25×
4102×
0.45
1.257.06×
2.4-5.70.21÷
1.4+2.6
30.8÷
[14-(9.85+1.07)][60-(9.5+28.9)]÷
0.182.881÷
0.43-0.24×
3.5
20×
[(2.44-1.8)÷
0.4+0.15]28-(3.4+1.25×
2.4)2.55×
7.1+2.45×
7.1
777×
9+1111×
30.8×
[15.5-(3.21+5.79)](31.8+3.2×
4)÷
5
31.5×
4÷
(6+3)0.64×
25×
7.8+2.22÷
2.5+2.5÷
2
36.25÷
4.25×
9.95180-705×
624÷
2.4-2.5×
0.8
(4121+2389)÷
7671×
15-974469×
12+1492
19.4×
6.1×
2.35.67×
0.2-0.6218.1×
0.92+3.93
0.7×
0.250.78+5.436+14.8×
5÷
4+1÷
4
9.9x5÷
6+5÷
610.3÷
4x8÷
9-1÷
314.31x5÷
6-5÷
6
16.5÷
9x18-14x2÷
720.3x2÷
9+1÷
335.95÷
(64-45)
36.178-145÷
5×
6+427.2÷
0.8-1.2×
56.5×
(4.8-1.2×
4)
28-(3.4+1.25×
2.4)2.55×
7.1777×
3
(31.8+3.2×
4)÷
531.5×
(6+3)0.64×
7.8+2.2
2÷
2194-64.8÷
0.936.72÷
9.9
5180-705×
0.8(4121+2389)÷
7
671×
12+1492405×
(3213-3189)
0.043×
24+0.8750.4×
0.250.78+5.436+1
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