问题 解答题
630÷70=______4.3-0.8=______3.4+1.6=______1.8÷0.3=______
2.5×40=______4×700=______18×50=______4.2÷6=______.
答案

630÷70=9;

4.3-0.8=3.5;

3.4+1.6=5;

1.8÷0.3=6;

2.5×40=100;

4×700=2800;

18×15=270;

4.2÷6=0.7;

故答案为:9,3.5,5,6,100,2800,270,0.7.

单项选择题
单项选择题