题目内容
3.4+0.8=
5.6+1.8=
1.8-0.6=
0.85-0.45=
3+2.72=
口算
1.8÷6=________
0.48÷0.8=________
5.6÷1.4=________
速算先锋
30×5= 40×5= 34×20= 7.4-0.8=
90×6= 120×6= 16×50= 5.4+0.6=
50×12= 0.4+0.8= 3.2+6= 8.7-3.6=
30×5= 24×70= 4.6+5.8= 2.4+0.6=