直接写得数×= ÷42= ÷= +=70÷0.01= 2.8×0.5= 0×= 2÷1%=
1.25×8÷1.25×8= == （1.01﹣0.91）×15== ==
直接写得数．= 100÷0.01= = 1.01×0.8=1.25×0.3×8= = = =
直接写得数576﹣（4.32+1.3） ÷0.125 ÷1 0.25×1 ÷3×40﹣10÷3 1﹣+ 2.7÷ +÷ 1999×（1﹣﹣﹣0.625）
直接写得数1.6×12.5= = = 3.9×10%= == = = = 25÷25%=
×
= 
÷42= 
÷
= 
+
= 2÷1%=
=
= （1.01﹣0.91）×15=
= 
=
= 
= 100÷0.01= 
= 1.01×0.8=
= 
= 
=
÷0.125 
÷1
0.25×1
÷3×
+
+
﹣0.625）
= 
= 3.9×10%= 
=
= 
= 
= 
= 25÷25%=
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