A simple way to solve the recurrence equation is to multiply 102 by 63

102*63=（100+2）*63=100*63+2*63=6300+126=6426

What is forty times forty

800

What is 25 times 1.25 times 3.2

25*1.25*3.2=25*4*0.8*1.25=100*0.8*1.25=80*5/4=100

How many M / min is 60km / h equal to and how many M / S is 120cm / min equal to

How much is 60km / h? 60 × 1000 △ 60 = 1000m / min
120cm / min is equal to 120 △ 100 △ 60 = 0.02m/s
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How many L / min is 4L / S? How many m3 / S? How many m3 / h?

4L/s=4L/(1/60)min=260L/min
4L/s=4dm³/s=0.004m³/s
4L/s=0.004m³/s=0.004m³/(1/3600)h=14.4m³/h

How much l / h is 1m3 / min
Who can tell me the conversion formula

1m3/min=1/60L/h

21 + what is - 57

-78

What is 21 + 6x = 57?

6X=36 x=6

5.7 times 57 = why?

324.9

What is 1 + 3 + 5 + 7 +... + 57 + 59

=(1+59)+(3+57)+…… +(29+31)
=60+60+…… +60
=15×60
=900

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A simple way to solve the recurrence equation is to multiply 102 by 63