直接写出结果.
5×40=________1.25×80=________9÷45=________10-0.1=________88÷0.88=________9.8+1.12=________6.1-0.01=________0.9×0.01=________8×0.45=________0.5+1÷0.5=________0.2×3÷0.2×3=________0.3×0.14=________.
网友回答
200 100 0.2 9.9 100 10.92 6.09 0.009 3.6 2.5 9 0.042
解析分析:本题据小数加减法、乘除法的运算法则进行计算即可.
解答:5×40=2001.25×80=1009÷45=0.210-0.1=9.988÷0.88=1009.8+1.12=10.926.1-0.01=6.090.9×0.01=0.0098×0.45=3.60.5+1÷0.5=2.50.2×3÷0.2×3=90.3×0.14=0.042.
点评:计算小数加减法时要注意小数点要对齐,完成小数乘除法时,要注意小数点的移动.