Simple calculation of 94 × 2012-93 × 2013

Simple calculation of 94 × 2012-93 × 2013

94*2012-(94-1)*2013

Simple calculation of 2.25 * 1.8 + 1.25 * 0.8

2.25*1.8+1.25*0.8
＝2.25*(0.8+1)+1.25*0.8
＝2.25*0.8+2.25*1+1.25*0.8
＝1.8+2.25+1
=5.05

3.8 × 3.5 + 62 × 0.35 simple calculation 0.25 × 3.2 × 12.5 simple calculation 1.25 × 16 + 12.5
Simple calculation of 3.8 × 3.5 + 62 × 0.35
Simple calculation of 0.25 × 3.2 × 12.5
Simple calculation of 1.25 × 16 + 12.5 × 8.4

How to calculate 0.25 * 1.25 * 4 * 0.8 simply

0.25*1.25*4*0.8
＝（0.25*4）*（1.25*0.8）
＝1*10
＝10

(0.8 + 0.8 + 0.8 + 0.8 × 2) × 1.25
A few questions; the one above also counts. 0.1 △ 0.001 × (100.1-1.001)
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(0.8＋0.8＋0.8＋0.8×2）×1.25
=(0.8×1.25)+(0.8×1.25)+(0.8×1.25)+(0.8×1.25)+(0.8×1.25)
=1+1+1+1+1
=5
0.1÷0.001×（100.1－1.001）
=100×（100.1－1.001）
=100×100.1-100×1.001
=10010-100.1
=9909.9

Simple operation: 35 * 48 + 7.5 * 650 + 2.7 * 350

35*48+7.5*650+2.7*350
=35*48+27*35+75*65
=35*（48+27）+75*65
=35*65+75+65
=（35+75）*65
=110*65
=7150

How much is 350 times 48 minus 35 times 80

350x48-35x80=350x48-350x8=350x(48-8)=350x40=14000.
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How about 350 × 48-35 × 80?
How to calculate 350 × 48-35 × 80 on the connection of primary school mathematics four on winter vacation?

General method: 350 × 48-35 × 80 = 16800-2800 = 14000
Simple operation: 350 × 48-35 × 80 = 35x480-35x80 = 35x (480-80) = 35x400 = 14000

2 / 3 + 2 / 8 + 2 / 15 + 2 / 24 + 2 / 35 + 2 / 48 + 2 / 63 + 2 / 80

2 / 3 + 2 / 8 + 2 / 15 + 2 / 24 + 2 / 35 + 2 / 48 + 2 / 63 + 2 / 80
=(2 / 3 + 2 / 15 + 2 / 35 + 2 / 63) + (2 / 8 + 2 / 24 + 2 / 48 + 2 / 80)
=[(1-3 of 1) + (1-5 of 3) + (1-7 of 5) + (1-9 of 7)] + [(1-4 of 2) + (1-6 of 4) + (1-8 of 6) + (1-10 of 8)]
=(1-1 / 9) + (1 / 2-1 / 10)
=8 / 9 + 2 / 5
=40 out of 45 + 18 out of 45
=58 out of 45

How to calculate (8-0.08) × 1.25?

(8-0.08)×1.25
=8×1.25-0.08×1.25
=10-0.1
=9.9