来自韩院彬的问题
递等式计算12.7+12.5÷5;(7.5-2.3×0.4)÷0.01;2.16÷0.9÷0.3;78÷0.25÷0.4.
递等式计算
12.7+12.5÷5;
(7.5-2.3×0.4)÷0.01;
2.16÷0.9÷0.3;
78÷0.25÷0.4.
1回答
2020-04-18 19:23
递等式计算12.7+12.5÷5;(7.5-2.3×0.4)÷0.01;2.16÷0.9÷0.3;78÷0.25÷0.4.
递等式计算
12.7+12.5÷5;
(7.5-2.3×0.4)÷0.01;
2.16÷0.9÷0.3;
78÷0.25÷0.4.
(1)12.7+12.5÷5 =12.7+2.5=15.2 (2)(7.5-2.3×0.4)÷0.01=(7.5-0.92)÷0.01=6.58÷0.01=658(3)2.16÷0.9÷0.3 =2.16÷(0.9×0.3)=2.16÷0.27=8(4)78÷0.25÷...