题目内容
计算:30%÷1
×(
)=________.
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分析:先算小括号里面的加法,再按照从左向右的顺序进行计算.
解答:
30%÷1
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=30%÷1
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=
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=
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故答案为:
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点评:四则运算,先弄清运算顺序,然后再进一步计算即可.
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△ =30 |
(1) ●-○=( ) |
○ =7 |
(2) □-○=( ) |
□ =84 |
(3) △+●=( ) |
● =45 |
(4) △+△=( ) |
计算.
△ =30 |
(1) ●-○=( ) |
○ =7 |
(2) □-○=( ) |
□ =84 |
(3) △+●=( ) |
● =45 |
(4) △+△=( ) |
计算.
△ =30 |
(1) △+○=( ) |
○ =7 |
(2) ○+●=( ) |
□ =84 |
(3) □-△=( ) |
● =45 |
(4) ●-△=( ) |
计算.
△ =30 |
(1) △+○=( ) |
○ =7 |
(2) ○+●=( ) |
□ =84 |
(3) □-△=( ) |
● =45 |
(4) ●-△=( ) |