| 直接写出得数. (1) + = | (2)1÷ = | (3) ×26= | (4) ÷ = |
(5) - = | (6)12÷ ×0= | (7)2+ = | (8) × = |
(9) + + = | (10) × ×5= |
解:(1) + =![]() | (2)1÷ =4![]() | (3) ×26=12 | (4) ÷ =2 |
(5) - =![]() | (6)12÷ ×0=0 | (7)2+ =2![]() | (8) × =![]() |
(9) + + =1![]() | (10) × ×5=![]() |
,4
,12,2,
,0,2
,
,1
,
.分析:根据题意,可利用分数的加法、分数的减法、分数乘法、分数除法的运算法则和加法的交换律、乘法交换律进行计算即可得到答案.
点评:此题主要考查的是分数加法、分数减法、分数乘法、分数除数的运算和加法交换律、乘法交换律在分数运算中的应用.
+
=
×26=
=
-
=
×0=
×
=