题目内容
直接写出得数 6.47-0.87=________ | 10.8-2.63-7.37=________ | =________ | (+)×8=________ |
÷+=________ | 1÷=________ | 5-=________ | 13.7×25+6.3×25=________ |
+÷+=________ | 75%++25%=________. |
5.6 0.8 2 8 2 4 500 2.5 1.75
分析:(1)(2)(8)依据小数四则运算计算方法解答,
(3)(4)(5)(6)(7)(9)(10)依据分数四则运算计算方法求解.
解答:6.47-0.87=5.6; 10.8-2.63-7.37=0.8;=2; (+)×8=8; ÷+=2; 1÷=; 5-=; 13.7×25+6.3×25=500; +÷+=2.5; 75%++25%=1.75.故答案依次为:5.6,0.8,2,8,,,,500,2.5,1.75.
点评:本题主要考查学生运用四则运算计算方法解决问题的能力.
分析:(1)(2)(8)依据小数四则运算计算方法解答,
(3)(4)(5)(6)(7)(9)(10)依据分数四则运算计算方法求解.
解答:6.47-0.87=5.6; 10.8-2.63-7.37=0.8;=2; (+)×8=8; ÷+=2; 1÷=; 5-=; 13.7×25+6.3×25=500; +÷+=2.5; 75%++25%=1.75.故答案依次为:5.6,0.8,2,8,,,,500,2.5,1.75.
点评:本题主要考查学生运用四则运算计算方法解决问题的能力.
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