| 24.06+0.4= | = | ( )×30= |
= | = | 12.5×32×2.5= |
÷6= | 5- = | ×25= |
| 2.8×25+12×2.5= |
| 解:24.06+0.4=24.46, | = , | ( )×30=19, |
= , | = , | 12.5×32×2.5=1000, |
÷6= , | 5- = , | ×25=20, |
| 2.8×25+12×2.5=100. 故答案为:24.46, ,19, , ,1000, , ,20,100. |
分析:整数、分数、小数的四则混合运算的运算顺序是:有括号的要先算括号里面的,没有括号的,要先算乘除法,再算加减法,能简算的要简算.
点评:此题考查整数、分数、小数的四则混合运算的计算方法,有括号的要先算括号里面的,能简算的要简算.
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