题目内容
我口算快又准.
| 45+32= | 84-21= | 3×9= | 1000-400= |
| 5×6= | 59+41= | 60+25= | 200÷2= |
| 700+200= | 24÷4= | 80-(35-15)= | (12+36)÷6= |
| 4×7+2= | 27÷5= |
| 45+32=77, | 84-21=63, | 3×9=27, | 1000-400=600, |
| 5×6=30, | 59+41=100, | 60+25=85, | 200÷2=100, |
| 700+200=900, | 24÷4=6, | 80-(35-15)=60, | (12+36)÷6=8, |
| 4×7+2=30, | 27÷5=5.4 |
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