题目内容
9.3-1.3=10-2是等式．________．
正确
分析：含有等号的式子就叫等式，等式是把相等的两个数（或字母表示的数）用等号连接起来，据此判断即可．
解答：因为9.3-1.3=8，
10-2=8，
所以9.3-1.3=10-2，即9.3-1.3=10-2是等式．
故答案为：正确．
点评：解决本题的关键是明确等式的含义．
分析：含有等号的式子就叫等式，等式是把相等的两个数（或字母表示的数）用等号连接起来，据此判断即可．
解答：因为9.3-1.3=8，
10-2=8，
所以9.3-1.3=10-2，即9.3-1.3=10-2是等式．
故答案为：正确．
点评：解决本题的关键是明确等式的含义．
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例：
3÷3＋3－3=1 33÷33=1(1)
|
① 3 3 3 3=1 |
② 3 3 3 3=2 |
|
③ 3 3 3 3=3 |
④ 3 3 3 3=4 |
|
⑤ 3 3 3 3=5 |
⑥ 3 3 3 3=6 |
|
⑦ 3 3 3 3=7 |
⑧ 3 3 3 3=8 |
|
⑨ 3 3 3 3=9 |
⑩ 3 3 3 3=10 |
(2)
|
① 3 3 3 3=1 |
② 3 3 3 3=2 |
|
③ 3 3 3 3=3 |
④ 3 3 3 3=4 |
|
⑤ 3 3 3 3=5 |
⑥ 3 3 3 3=6 |
|
⑦ 3 3 3 3=7 |
⑧ 3 3 3 3=8 |
|
⑨ 3 3 3 3=9 |
⑩ 3 3 3 3=10 |
|
① 3 3 3 3=1 |
② 3 3 3 3=2 |
|
③ 3 3 3 3=3 |
④ 3 3 3 3=4 |
|
⑤ 3 3 3 3=5 |
⑥ 3 3 3 3=6 |
|
⑦ 3 3 3 3=7 |
⑧ 3 3 3 3=8 |
|
⑨ 3 3 3 3=9 |
⑩ 3 3 3 3=10 |
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