题目列表(包括答案和解析)
| 4.3+5.8= 10.1 10.1 |
3.6+6.4= 10 10 |
0.74-0.34= 0.4 0.4 |
0.9-0.25= 0.65 0.65 |
| 5×4= 20 20 |
0.21×3= 0.63 0.63 |
0.64÷0.8= 0.8 0.8 |
0.48÷0.12= 4 4 |
| 88÷8= 11 11 |
1.1×9= 9.9 9.9 |
1÷0.25= 4 4 |
0÷0.4= 0 0 |
| 15÷0.3×0.1= 5 5 |
0.4÷0.2= 2 2 |
(0.7+0.8)×3= 4.5 4.5 |
7×1.2+0.8= 9.2 9.2 |
| 1.8×4-1.2= 6 6 |
(2.6-1.8)×0.5= 0.4 0.4 |
4+3.2÷0.8= 8 8 |
0.72÷72-0.1= -0.09 -0.09 |
| 7.5÷2.5-0= 3 3 . |
| 4.25+1.25= | 6.3-3= | 7.8-0.78= | 900÷45= | 780+99= |
| 10-0.99= | 32-9.8-0.2= | 50-50÷50= | 4-0.04= | 2.06×10= |
| 5-0.7+0.3= | 6.4+4.4= |
| 3.42+5.58= | 6.8-1.9= | 10-8.4= | 0.4×25= | ||||||||
| 8.4÷0.7= |
|
|
4-2
| ||||||||
|
0÷
|
1.2×5= | 3.9÷0.3= | ||||||||
| 247-99= | 647-19-81= | 4.3×5×0.2= | 8.7-(3.9+1.7)= |
| 口算. 7.6+2
|
0.875-
|
6.8×0.1= | 3.6÷1.2= | ||||||||||||
1.5÷
|
|
|
0.35+9
| ||||||||||||
| 9×300%= | 1.69÷1.3= | 12.5×88= | 10.7×10= | ||||||||||||
| 2.3×102= | 5-1
|
0.5+
|
| ||||||||||||
1
|
|
1
|
a÷
| ||||||||||||
| 8π= | 122= | (
|
2×π×6= | ||||||||||||
| 3.14×(102-82)= | 40×99= | 1
|
1÷25%= | ||||||||||||
| 16×62.5%= | 3.6÷1
|
5÷5×
|
2+2÷5= | ||||||||||||
1×
|
|
125×27×8= | 015:4.5= | ||||||||||||
6:1
|
1
|
(
|
6×
|
| 口算 2.14-0.9= |
2.87÷0.7= | 2.4×0.3= |
| 0.99+1.8= | 2.5×0.4= | 14.4÷1.2= |
| 40×0.5= | 7.2÷0.12= | 0.17×0.5= |
| 0.45﹢0.55= | (1.5+0.25)+4= | 6.4×0.3+3.6×0.3= |
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