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=