| 直接写出得数. ① ×4= | ②0.5+1 = | ③3 × = | ④2 -0.7= |
| ⑤2÷0.7= | ⑥3.5- -2 = | ⑦6×( + )= | ⑧5.5×4+5.5×6= |
⑨4 -( +1 )= | ⑩4 ÷4= |
① ×4=2 | ②0.5+1 =2 | ③3 × =![]() | ④2 -0.7=1.8 |
⑤2÷0.7=![]() | ⑥3.5- -2 =0.5 | ⑦6×( + )=5 | ⑧5.5×4+5.5×6=55 |
⑨4 -( +1 )=2![]() | ⑩4 ÷4=1![]() |
分析:根据分数与小数的加减乘除及四则混合运算进行计算即可.
点评:口算题目,要求快速准确,能用简便方法的要用简便方法.
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