Simple calculation: 20.05 * 39 + 200.5 * 4.1 + 40 * 10.025 Tip: 40 * 10.025 = 2 * 20 * 10.025 = 20 * 20.05

Simple calculation: 20.05 * 39 + 200.5 * 4.1 + 40 * 10.025 Tip: 40 * 10.025 = 2 * 20 * 10.025 = 20 * 20.05


=20.05*39+20.05*41+20.05*20=20.05*(39+41+20)=20.05*100=2005



How to calculate 13.52 * 5 / 13.2 * 5 + 25 * 99 simply?


13.2*5/13.2*5+25*99
=5*5+25*99
=25+25*99
=25*(1+99)
=25*100
=2500



1 and 13 / 15 * 7 + 1 and 8 / 15 * 28 simple operation 80 / 4 and 1 / 2 * 0.125 / (1-7 / 9) 7 and 1 / 2 * 3.8 + 1 / 5 / 2 / 15 47.5 * 1 / 5 + 28 * 0.2 + 24.5/5


1 and 13 / 15 * 7 + 1 and 8 / 15 * 28
=28/15x7+23/15x28
=28/15x7+28/15x23
=28/15x(7+23)
=28/15x23
=56
80 / 4 and 1 / 2 * 0.125 / (1-7 / 9)
=(80x0.125)÷(9/2x2/9)
=10 ÷1
=10
7 1 / 2 * 3.8 + 1 / 5 / 2 / 15
=15/2x3.8+0.2x15/2
=15/2x(3.8+0.2)
=15/2x4
=30
47.5*1/5+28*0.2+24.5/5
=47.5x0.2+28x0.2+24.5x0.2
=(47.5+28+24.5)x0.2
=100x0.2
=20
If you don't understand this question, you can ask,



How to calculate 29.5 * 1.6 + 1.95 * 16 simply?


29.5*1.6+1.95*16
=2.95*16+1.95*16
=(2.95+1.95)*16
=[(3-0.05)+(2-0.05)]*16
=(5-0.1)*16
=5*16-0.1*16
=80-1.6
=78.4



Simple operation of 12 * 52.2 * 29.6 * 11.9/3.7/17/14


12*52.2*29.6*11.9/3.7/17/14
=(2*6)*52.2*(3.7*8)*(0.7*17)/(3.7*17*2*7)
=6*52.2*8*0.1
=52.2*4.8
=250.56



Simple calculation of 1.2-6 / 13 △ 9 / 26 2.6 / 7 × (4 / 5-2 / 3) △ 1 / 5


1 question
2-6/13÷9/26
=2-6/13×26/9
=2-4/3
=2/3
2 questions
6/7×(4/5-2/3)÷1/5
=6/7×(4/5-2/3)×5
=5×6/7×(4/5-2/3)
=5×6/7×4/5-5×6/7×2/3
=24/7-20/7
=4/7



Calculation by formula: 13 △ 39 + (1 / 26 + 2 / 39) × 13


13÷39+(1/26+2/39)×13
=1/3+(1/2+2/3)
=1 and 1 / 2



Calculation of 3 × (5 / 18 + 11 / 39) + 2 / 13


3×(5/18+11/39)+2/13
=3×5/18+3×11/39+2/13
=5/6+11/13+2/13
=5/6+1
=1 and 5 / 6



How much is 2011 divided by 2011 and 2011 out of 2012? It's a formula. I wrote it like this


2011 divided by 2011 and 2011 out of 2012
=2011 / 2011 divided by (2011 / 2011 + 2011 / 2012 / 2011 / 2011)
=1÷(1+1/2012)
=1÷2013/2012
=2012/2013



The quotient of the true fraction divided by the false fraction ()
A. It's a true fraction B. It's a false fraction C. It could be a true fraction, it could be a false fraction


According to the definition of true fraction or false fraction, true fraction divided by false fraction will only remain unchanged or decrease, so it is still smaller than 1