列竖式计算
8﹣0.47= 7.56+3.6= 9.02﹣3.51= 1.09+8.7=
259×17= 613÷5= 36×25= 1023÷7.
脱式计算,能简算的要简算.
(1)(
+
)÷
﹣
(2)10.6﹣(6.6+
÷12.5%)
(3)(
+
)÷
+
(4)
×
+
×
.
计算:
8.06﹣2.73﹣5.271.25+
+0.75+
÷
+
×
X﹣0.75X=0.375.
用简便方法计算:
1.29+3.7+0.71+6.3528×78+472×7846.5×99+46.5
125×89×812.37﹣5.32﹣4.68 12.5×(0.8+8)
计算或解方程
÷0.6×
+
×
+
76×
×
+
×
+
×
x+
=
x+
x=140.
直接写出得数.
①2.5×3.5×0.4=②25.78﹣14.2﹣5.78=③9﹣9÷11=④8×12.5%=
⑤99×99=⑥12×(
+
)=⑦1﹣1÷9=⑧
=