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Anonymous users2024-02-061)1/6=1/(2x3)=1/2-1/31/12=1/(3x4)=1/3-1/4
2) A and b are opposite to each other, then a+b=0; x and y are the reciprocal of each other, then xy=1; If the absolute value of c is equal to 2, then c = 2
Then, a+b 2+xy-1 4c=0+1-1 4 ( 2)=1 2 or 3 2
3)(1/3-1/6+1/12)x(-24)4)4x（
5) 5x (minus one and a half) - (6) x (-11 12) minus one and a half.
Minus 7 1 2) - (5 1 2) minus one and a half.
Negative 14 and 1 2
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Anonymous users2024-02-052) A and b are inverse to each other, x and y are reciprocal to each other, and the absolute value of c is equal to 2, then a+b=0xy=1c=2
a+b/2+xy-1/4c
or 3) (1 3-1 6 + 1 12) x (-24) 4 x (
5) 5x (minus one and a half) - (6) x (-11 12) minus one and a half.
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Anonymous users2024-02-04Original formula = 1 2--(1 2--1 3)--1 4--1 5)--1 5--1 6)--1 6--1 7).
a+b=0 xy=1 c=±2
Original = 0 + 1 - 1 4 x 2 = 1 2
Original = 0 + 1 - 1 4 x (-2) = 3 2
Primitive=1 3x(-24)--1 6x(-24)+1 12x(-24)Primitive=[4x(.]
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Anonymous users2024-02-03（2/3＋4/15×5/8）÷2/3
1 1 23 3 7 I wish you progress in your studies!
If you don't understand, please ask, and if you understand, please adopt it in time! (*
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Anonymous users2024-02-02Hello classmates, can you send a screenshot of the problem, so that you can solve the problem quickly and effectively<>-150 (-1 8)-25 Calculate this problem in an easy way, which is messy.
Good. Is this the formula? There is no more in the back.
You can see this in the screenshot you sent.
Equal to 150 (1 8)25 But why isn't the last minus 100 plus 100?
That's all. This is my calculation, equal to 25 8, 25/8 screenshot is the calculation process, you look down, I don't understand and tell the teacher<> followed by 50x(-1 4)=-50x1 4=-100x1 8 because it is followed by -1 4, so it is minus 100x1 8 The negative sign is mentioned to 50 comprehensively, negative 1 4 becomes positive 1 4, positive 50 becomes negative -50-50x1 4=-100x1 8
Oh, see, can this minus sign in multiplication be adjusted casually?
Yes, multiply the negative by the negative to get the positive, and the positive multiply the negative to get the negative.
The negative sign can be replaced, as long as the product is not changed.
2x-5=-2x5=-10
It's the same thing, it's all equal to -10
Understood, understood, I'm going to do the rest of the test papers, junior high school is really difficult, bye-bye<> okay.
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Anonymous users2024-02-01The easy calculation is to calculate the subtraction in parentheses, then the addition, and finally the multiplication.
47x(2+3-1)
47x(2+2)=47x4
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Anonymous users2024-01-311 plus 100 equals 101, and 2 plus 98 equals 101 ......This goes down to add up 50 times, and there are 50 101s, so the final answer is 50 101
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Anonymous users2024-01-30Calculate 1-2 +3 -4 +5 -6 +·99 -100 in the easy way
Solution: Original formula = (3 -2 ) + 5 -4 ) + 99 -98 ) + 1-100
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