8.88*12.5.

8.88*12.5.

8.88*12.5 =（8+0.8+0.08）*12.5 =8*12.5+0.8*12.5+0.08*12.5 =100+10+1=111

Mathematics problem → simple operation: 8.88 * 9 + 28 * 1.11

Original formula = 8 * 1.11 * 9 + 28 * 1.11 = 1.11 * (8 * 9 + 28) = 1.11 * (72 + 28) = 1.11 * 100 = 111

58.5×9.9÷0.585

58.5×9.9÷0.585 =58.5÷0.585×9.9 =100×9.9 =990

A simple algorithm of 73 × 64 + 27 × 65

73×64+27×65
＝73×64＋27×（64＋1）
＝73×64＋27×64＋27×1
＝64×（73＋27）＋27
＝64×100＋27
＝6400＋27
＝6427

A simple algorithm of 46 times 13 / 47

46×13/47
=(47-1)×13/47
=47×13/47-1×13/47
=13-13/47
=12 and 34 / 47
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Find the answer to the simple calculation of 115 - (69 + 55),

115-(69+55)
=(115-55)-69
=60-69
=-9

Simple calculation of 500 △ 75-55 △ 73 + 358 △ 73

500÷75-55÷73+358÷73
=500÷（73+2）-55÷73+358÷73
=500÷2+（500-55+358）÷73
=250+803÷73
=250+11
=261

How to calculate 129 × 2323 / 4343-69 × 67 / 68 simply

129×2323/4343-69×67/68
=129*23*101/(43*101)-(68+1)*67/68
=23*(129/43)-68*67/68-1*67/68
=23*3-68-67/68
=69-68-67/68
=1/68

Five eighths by twenty-five twenty-four by five eighths is easy to calculate!

Five eighths by twenty five twenty four by five eighths
=5/8×24/25×5/8
=3/5×5/8
=3/8;
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Use a simple method to calculate the following questions: 0.625 times 2008 + 2008 times 35 / 8 and 1 / 3 divided by 14

625 × 2008 + 2008 × 3 / 8
=2008×（0.625+3/8）
=2008×1
=2008
Fifteen and one third
=(14+4/3)÷14
=14÷14+4/3÷14
=1+1/21
=22/21