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Berhitung cepat

Authored by Erick Sambo

Mathematics

University - Professional Development

Used 29+ times

Berhitung cepat
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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

 72×3+15×6 23=...72\times3+\frac{1}{5}\times6\ \frac{2}{3}=...  

215,21

216,36

217,33

218,46

219,23

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

 5+0,256 12 =...5+0,25-6\ \frac{1}{2}\ =...  

-1/4

1,25

1,5

4

-1,25

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Jika a2+b2=60a^2+b^2=60  dan ab=12ab=12   maka  ab=a-b=  

5

6

7

8

9

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

 2 23+19×279=....-2\ \frac{2}{3}+\frac{1}{9}\times\frac{27}{9}=....  

 233-\frac{23}{3}  

 73-\frac{7}{3}  

 83\frac{8}{3}  

 233\frac{23}{3}  

 73\frac{7}{3}  

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Jika x=202120214 dan y=20213x=2021-\frac{2021}{4}\ dan\ y=\frac{2021}{3}  , maka ....

x>y

x<y

x=y

x dan y tidak dapat ditentukan

2x=y

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Hasil dari 382372 = ....38^2-37^2\ =\ ....  


36

38

75

108

125

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Hasil dari (16+5857)2×57+8= ....\frac{\left(16+5^8-5^7\right)}{2\times5^7+8}=\ ....  

2

4

8

12

16

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