128÷24=
直接写出得数．8.1÷0.09= +1= ×=﹣= ×= 104﹣78=2.5×4= 7.35+2.65=
直接写出得数．4.2+3.98= 1.37﹣0.7=1.92÷0.04= +=﹣= ﹣+=
直接写得数． 0.23= 1.7﹣0.25﹣75%= 32×0.25= 5.2÷10%=5﹣= 2.5+= （﹣）×42= 0.25××4=
直接写得数． 10﹣2.1= 1÷×= 2.5×40= ××0= 5.2÷0.125÷8== 5.6÷0.08= = = 1.25÷（10%÷10）=
直接写得数． 256﹣198= 34.6+15.4= 1300﹣497= 0.81+15.3= 6.3÷10%=÷0.75= += ×= 1÷3×= 9×÷9×=
+1= 
×
=
﹣
= 
×
= 104﹣78=
+
=
= 
﹣
+
=
= 2.5+
﹣
）×42= 0.25×
×4=
×
= 2.5×40= 
×
×0= 5.2÷0.125÷8=
= 5.6÷0.08= 
= 
= 1.25÷（10%÷10）=
÷0.75= 
= 
= 1÷3×
= 9×
粤公网安备 44130202000953号