1÷ = | 0.32÷0.8= | 2.3+3.57= | 7.3-2.8= |
÷ = | + = | 1÷ × = | 2× +5= |
+4- +4= | ×99+ = |
1÷ = , | 0.32÷0.8=0.4, | 2.3+3.57=5.87, | 7.3-2.8=4.5, |
÷ = , | + = , | 1÷ × =1, | 2× +5=5 , |
+4- +4=8, | ×99+ =16. |
分析:按照小数、分数四则运算的方法进行计算,对于混合运算题,能简算的要简算,不能简算的就按照运算顺序计算即可.
点评:此题考查看算式直接写得数,按照小数、分数四则运算的法则进行计算即可,混合运算题能简算的要简算.
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