如题所述
第1个回答 2011-08-28
2. 用简便方法计算。
415－176－24 8.29＋3.7＋0.71＋6.3 125×89×8
428 ×78+572x78 15×27－3000÷25 216＋64×42÷28
(324－285) ×12÷26 125×17×8 35×102
56×67＋33×56 12.7＋0.98＋3.02＋5.3 5.6－1.71－0.29
24.52－（7.5＋4.52） 8.35+4.65 = 21.37-8.37 =
16.74+5.238 = 3.4-0.56 = 6.42-4.2 = 8.3+10.17= 10-4.8= 81.20-3.23=
84.41-2.16= 31.00+97.89= 72.66+46.36=
41.68+65.84= 91.22+57.70= 71.99+21.79=
94.02-82.27= 11.77+55.57= 56.23-44.88=
77.33-71.18= 49.82+47.02=
415－176－24 8.29＋3.7＋0.71＋6.3 125×89×8
428 ×78+572x78 15×27－3000÷25 216＋64×42÷28
(324－285) ×12÷26 125×17×8 35×102
56×67＋33×56 12.7＋0.98＋3.02＋5.3 5.6－1.71－0.29
24.52－（7.5＋4.52） 8.35+4.65 = 21.37-8.37 =
16.74+5.238 = 3.4-0.56 = 6.42-4.2 = 8.3+10.17= 10-4.8= 81.20-3.23=
84.41-2.16= 31.00+97.89= 72.66+46.36=
41.68+65.84= 91.22+57.70= 71.99+21.79=
94.02-82.27= 11.77+55.57= 56.23-44.88=
77.33-71.18= 49.82+47.02=
