问题
解答题
口算.
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答案
80÷4=20, | 5000+20=5020, | 6400-400=6000, | 8×500=4000, | 5×12=60, | 96÷3=32, | ||||||||||||
90-55=35, | 44+38=82, | 61-56=5, | 130×3=390, |
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口算.
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80÷4=20, | 5000+20=5020, | 6400-400=6000, | 8×500=4000, | 5×12=60, | 96÷3=32, | ||||||||||||
90-55=35, | 44+38=82, | 61-56=5, | 130×3=390, |
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