北师大版五年级上册数学《练习二》
5.先说一说运算顺序,再进行计算。
54÷(3.94+6.86)
=54÷10.8
=5
(3.2+0.12)÷0.8
=3.32÷0.8
=4.15
0.175÷0.25x4
=0.7x4
=2.8
北师大版五年级上册数学《练习二》
5.先说一说运算顺序,再进行计算。
54÷(3.94+6.86)
=54÷10.8
=5
(3.2+0.12)÷0.8
=3.32÷0.8
=4.15
0.175÷0.25x4
=0.7x4
=2.8