题目内容
2.4+0.8=
7.9+1.6=
0.38+0.14=
3.25-1.04-0.96=
4.56-2.56=
直接写结果.
(5)0.045÷9=
口算.
4.8÷0.6=
7.63+2.58+0.37=
3.74÷100=
9÷0.01=
0.8+0.7= 1.4-0.5= 10.5+8.6= 11.4-3.5=
12.4+6.7= 2.8-1.9= 5.6+7.8= 4.7+5.3=
速算先锋
3.7-2.8= 3.2+0.6= 5.5+4.5= 4.4-2.4=
4.7+6.5= 9.6+3.7= 0.7+0.8= 4.1-3.5=