用简便方法计算：
1.29+3.7+0.71+6.3 528×78+472×78 46.5×99+46.5
125×89×8 12.37﹣5.32﹣4.68 12.5×（0.8+8）
相关试题
用简便方法计算：
1.29+3.7+0.71+6.3 528×78+472×78 46.5×99+46.5
125×89×8 12.37﹣5.32﹣4.68 12.5×（0.8+8）
+
=
÷
= 12×
=
×
=
﹣84=
﹣
×
= 10﹣
=
×
÷
×
+
÷2=
+
×
=
×0×17=
÷4÷
÷
= 57×
=
﹣
+
=
×
×
= 1÷
=（6+
）×
=
﹣
=
+
=
=
×6÷
+6×
=
×
=
+
）×16= 1÷
=
×
= 24%×5=
÷
= 4﹣
= 0÷（1+
）=
= 1.75+
=
×
×12=
=
÷
= 2×（
+
）=
×
÷
=
=
= 6.3×10%=
= 7×
=
= 40%﹣0.25=
粤公网安备 44130202000953号