（黄岩区）直接写出下面各题的得数． = = = = = 0.42﹣0.32= 5.47﹣1.8﹣3.2= 0.25×8.5×4=
()÷20-[(
14.8×6.3-6.3×6.5＋8.3×3.718.1＋（3－0.299÷0.23）×1
5.09－(0.09＋1.23) 9.36－(4.36－3.5)
7.5－2.45＋7.5＋2.45(-)×21+
2.5×(1.92÷0.3-5.9) 24.5-(7.58+)
= 
= 
= 
=
= 0.42﹣0.32= 5.47﹣1.8﹣3.2= 0.25×8.5×4=
)÷
20-[(
-
)×21+
)
粤公网安备 44130202000953号