初一作业数学英语题，不是很懂，急急急~大家都来看看吧~

2024-11-25 16:39:16

推荐回答（5个）

回答1：

C=2a的平方-3b的平方-4c的平方
8（x的平方-x-1）
moved moving
pleased
worse
polluting

回答2：

数学
已知A=a^2+b^2-c^2,B=-3a^2+2b^2+5c^2,
A+B
=-2a^2+3b^2+4c^2
并且A+B+C=0，
C=2a^2-3b^2-4c^2
英语
He's moved (move) by her.Her story is so moving (move).
The teacher was pleased with what the students said.(please).
His hand writing is worse than yours.(bad).
改错
We must stop polluting the Earth.

回答3：

his hand writing is (worse) than yours.
he's (moved) by her.Her story is so (moving).
the teacher was (pleased) with what the students said.
We must stop (polluting) the Earth.

回答4：

英语：
He's moved (move) by her.Her story is so moving (move).
The teacher was pleased with what the students said.(please).
His hand writing is worse than yours.(bad).
改错
We must stop polluting the Earth.

回答5：

moved ，moving ，pleased ，worse！把pollute 改为polluting