怎样简便就怎样算.
2.5×32×12.5 8×5×(﹣
) 4.63+3
+5.37+7
×[(
﹣
)÷
] 17×
﹣
1.25×(
)
0.8+4+
+5
2.05﹣0.81÷2.7×4.5 10.625×2005+2005×
﹣2005
÷(1
﹣
×
)+
8
÷[4.6+1
×(4
﹣1.15)] 9.8﹣(
+2.4×2
)
直接写出结果.
94+58= 6.89﹣2.9= 2÷100= 0.125×8.5×8=+
=
×
=
÷3=
×8÷
×8=
﹣67.5%= 10÷10%= 2.5×80%=(
+
)×24=
直接写出得数.
38+45= 920﹣350= 0.5×0.2=﹣
=
1÷÷
=
×(
﹣80%)= 16×25%=
×
=
+
﹣
+
=
×3.6= 0.99×9+0.99= 12.6÷3=.
直接写出下面各式的得数
0.23= 1÷5%=+
= 2.5﹣2.5÷5=
÷
= 1÷0.2=
﹣
=(0.18+0.9)÷0.3=
直接写数对又快!
83﹣57= 1﹣0.74= 0.25×40= 2﹣= 1÷0.1= 1.25×8=
53×0=÷9=
×
=
+
=
÷
=
﹣
= 1.6÷1.6=
×14=
+
=
直接写出得数.=
= 3×
÷
×3= 4.6﹣
=
8.7﹣6.52= 12.5×32×2.5= 13﹣2.73﹣5.27= 7.3÷0.01=