能简算的要用简便方法计算
①3.28×0.46+6.72×0.46
②9.73×2.8﹣4.73×2.8
③1.35×6.2+5.79÷0.3
④27.9+3.6×2.5÷0.48
⑤0.6×（5.3﹣1.7）÷0.9
⑥6.4÷[（4.3+2.1）÷0.8]．
能简算的要用简便方法计算
①3.28×0.46+6.72×0.46
②9.73×2.8﹣4.73×2.8
③1.35×6.2+5.79÷0.3
④27.9+3.6×2.5÷0.48
⑤0.6×（5.3﹣1.7）÷0.9
⑥6.4÷[（4.3+2.1）÷0.8]．
=
÷10=
×
×
=
×
=
÷
= 6×
=
=
=
= 3×
=
=
=
=
=
=
=
=
+0.5=
÷8=（
+
）×36=
×
= 5
﹣
=
÷80%= 4﹣1
﹣0.4=
，乙数是多少？
=
=
=
=
=
×
+
=
﹣
=
+
=
粤公网安备 44130202000953号