问题
解答题
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答案
7×10=70,360×2=720,480÷60=8,78÷13=6, | |||
35×2=70,8×12=96,560÷80=7,480÷40=12, | |||
602×39≈24000,398÷21≈20,478÷81≈6,396×41≈16000. |
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7×10=70,360×2=720,480÷60=8,78÷13=6, | |||
35×2=70,8×12=96,560÷80=7,480÷40=12, | |||
602×39≈24000,398÷21≈20,478÷81≈6,396×41≈16000. |