直接写出得数
-0.625= | = | 40÷8%= | = | 3 ×11= | +79× = |
8-4÷ = | ×1.5+3= | = | 4× + ÷4= | = | = |
解:
-0.625= , | =1, | 40÷8%=500, | =1, | 3 ×11=34, | +79× =30, |
8-4÷ =1, | ×1.5+3=4, | = , | 4× + ÷4= , | =1, | = . |
分析:
+79×
运用乘法分配律简算;
运用乘法交换律简算;其它题目根据运算法则直接求解.
点评:口算题目要求快速准确,能运用简算方法的要简算.
编辑:chaxungu时间:2026-04-27 10:52:20分类:小学数学题库
直接写出得数
-0.625= | = | 40÷8%= | = | 3 ×11= | +79× = |
8-4÷ = | ×1.5+3= | = | 4× + ÷4= | = | = |
解:
-0.625= , | =1, | 40÷8%=500, | =1, | 3 ×11=34, | +79× =30, |
8-4÷ =1, | ×1.5+3=4, | = , | 4× + ÷4= , | =1, | = . |
+79×
运用乘法分配律简算;
运用乘法交换律简算;上一篇:一个蛋糕平均分成4份.这样的一份是整个蛋糕的A.B.C.
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