Maximum faster in 45 seconds
Максимально быстрее за 45 секунд 600-0,2(200-100×0,5)=?
Максимально быстрее за 45 секунд 600-0,2(200-100×0,5)=?
Anonymous Quiz
30%
600-0,2(200-50)
9%
600+0,2(150-50)
13%
0,2-600(200×50)
17%
600-0,2(150-50)
16%
200-600(200+50)
6%
0,2-600(200×50)
10%
600-0,20(200-50)
This is no place for weaklings:
Try to think and if you can't solve a school problem, don't even try to find a calculator!
Example from the school curriculum ! 64:(8–4)×(5+√25)–7,2=?
Try to think and if you can't solve a school problem, don't even try to find a calculator!
Example from the school curriculum ! 64:(8–4)×(5+√25)–7,2=?
Anonymous Quiz
15%
253,9
23%
132,7
4%
310,5
17%
252,8
26%
152,8
15%
190,0
(84:7)x(18+6)=?
If you managed to complete it in 30 seconds, great! You've got fast, accurate, and mental arithmetic.If it's slower, that's also good. These tasks train the habit of walking in steps, and that's what ultimately leads to speed Subhan'Allah
If you managed to complete it in 30 seconds, great! You've got fast, accurate, and mental arithmetic.If it's slower, that's also good. These tasks train the habit of walking in steps, and that's what ultimately leads to speed Subhan'Allah
Anonymous Quiz
13%
250
8%
197
26%
196,5
13%
109
40%
288
0%
120
•Working memory.
Learn to keep 2-3 intermediate results in mind and not "drop" them—everyday calculations speed up
111 - (25 - 8)-2³-56=?
Learn to keep 2-3 intermediate results in mind and not "drop" them—everyday calculations speed up
111 - (25 - 8)-2³-56=?
Anonymous Quiz
7%
35
19%
29
21%
40
40%
30
7%
25
7%
I'm not aware of this
думаете, что решить этот пример — раз плюнуть ?
условие: у вас 12 секунд.
16:(12-8)×4²-60=?
условие: у вас 12 секунд.
16:(12-8)×4²-60=?
Anonymous Quiz
14%
2
8%
6
14%
3
38%
4
17%
8
9%
5