题目内容
看图列出方程和算式
&nbsy;&nbsy; 方程:______&nbsy;&nbsy;&nbsy;&nbsy;&nbsy;&nbsy;&nbsy;&nbsy;&nbsy;&nbsy;&nbsy;&nbsy;&nbsy;&nbsy;&nbsy;&nbsy;&nbsy;&nbsy;&nbsy;&nbsy;&nbsy;&nbsy;&nbsy;&nbsy;&nbsy;&nbsy;&nbsy;&nbsy;&nbsy;&nbsy;&nbsy;&nbsy;&nbsy;&nbsy;&nbsy;&nbsy;&nbsy; 算式:______.
&nbsy;&nbsy; 算式:______.
&nbsy;&nbsy; 方程:______&nbsy;&nbsy;&nbsy;&nbsy;&nbsy;&nbsy;&nbsy;&nbsy;&nbsy;&nbsy;&nbsy;&nbsy;&nbsy;&nbsy;&nbsy;&nbsy;&nbsy;&nbsy;&nbsy;&nbsy;&nbsy;&nbsy;&nbsy;&nbsy;&nbsy;&nbsy;&nbsy;&nbsy;&nbsy;&nbsy;&nbsy;&nbsy;&nbsy;&nbsy;&nbsy;&nbsy;&nbsy; 算式:______.
&nbsy;&nbsy; 算式:______.
(9)方程:设共有x吨,可得方程:
x-
x=8.5;
&nbtp;
x=8.5,
&nbtp;&nbtp;&nbtp; x=93.6
答:共有93.6吨.
8.5÷(9-
)
=8.5÷
,
=93.6(吨).
(2)928×(9-
)
=928×
,
=992(cm).
答:小红身高992cm.
故答案为:x-
x=8.5;8.5÷(9-
);928×(9-
).
x-
3 |
8 |
&nbtp;
5 |
8 |
&nbtp;&nbtp;&nbtp; x=93.6
答:共有93.6吨.
8.5÷(9-
3 |
8 |
=8.5÷
5 |
8 |
=93.6(吨).
(2)928×(9-
9 |
8 |
=928×
9 |
8 |
=992(cm).
答:小红身高992cm.
故答案为:x-
3 |
8 |
3 |
8 |
9 |
8 |
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