问题
解答题
| 解方程 4×(x+
3：x=4.8：1.2． |
答案
（1）4×（x+
×0.5）=12 5
4×（x+
×0.5）÷4=1÷42 5
x+0.2=0.25
x+0.2-0.2=0.25-0.2
x=0.05；
（2）3：x=4.8：1.2
4.8x=3×1.2
4.8x÷4.8=3.6÷4.8
x=
．3 4
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| 解方程 4×(x+
3：x=4.8：1.2． |
（1）4×（x+
×0.5）=12 5
4×（x+
×0.5）÷4=1÷42 5
x+0.2=0.25
x+0.2-0.2=0.25-0.2
x=0.05；
（2）3：x=4.8：1.2
4.8x=3×1.2
4.8x÷4.8=3.6÷4.8
x=
．3 4
Mr. White works in an office. He is very 1 and has no time to have a good rest. Every evening, when he comes back 2 his office, he’s always tired and wants to go to bed early. 3 his wife often has a lot of interesting things to tell him after supper. She doesn’t stop talking until he falls 4 . But it’s usually too late and Mr. White has to 5 early in the morning when she is asleep. One day the man 6 terrible and couldn’t（不能）go to work. He decided to go to 7 . And Mrs. White went with him. Before her husband said 8 was the matter with him, the woman had told the doctor all and the doctor understood（知道）why. He wrote a prescription(处方)。And when Mrs. White brought the medicine to the doctor, he said to her, “ 9 is for your husband and the pills are for you.” “For me?”the woman said in surprise, “I’m fine. I don’t need 10medicine” “I don’t think so, madam,” said the doctor. “They are sleeping pills(安眠药丸). Your husband will soon be all right if you take them.”
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