直接写出结果
0.125+=________
=________
7.95-0.73-0.27=________
32+23=________
7.3÷10%________
14×÷14×=________.
网友回答
1 25 6.95 17 =73
解析分析:0.125+先把小数化成分数再计算;
运用乘法分配律简算;
7.95-0.73-0.27根据连续减去两个数等于减去这两个数的和简算;
32+23=3×3+2×2×2计算;
7.3÷10%先把百分数化成分数再计算;
14×÷14×=先把除法变成乘法,再运用乘法结合律简算.
解答:(1)0.125+,
=+,
=1;(2),
=×72+×72,
=9+16,
=25;(3)7.95-0.73-0.27,
=7.95-(0.73+0.27),
=7.95-1,
=6.95;(4)32+23,
=(3×3)+(2×2×2),
=9+8,
=17;(5)7.3÷10%,
=7.3×10,
=73;(6)14×÷14×,
=14×××,
=(14×)×(×),
=1×,
=.
点评:本题考查了基本的运算,要注意分析数据,选择合适的简算方法计算.