题目内容
| 求未知数 14×x=7.56 | x÷0.65=24 | x×1.3=7.28 | 28÷x=3.5. |
(1)14×x=7.56,
14×x÷14=7.56÷14,
x=0.54;
(2)x÷0.65=24,
x÷0.65×0.65=24×0.65,
x=15.6;
(3)x×1.3=7.28,
x×1.3÷1.3=7.28÷1.3,
x=5.6;
(4)28÷x=3.5,
28÷x×x=3.5×x,
3.5×x=28,
3.5×x÷3.5=28÷3.5,
x=8.
14×x÷14=7.56÷14,
x=0.54;
(2)x÷0.65=24,
x÷0.65×0.65=24×0.65,
x=15.6;
(3)x×1.3=7.28,
x×1.3÷1.3=7.28÷1.3,
x=5.6;
(4)28÷x=3.5,
28÷x×x=3.5×x,
3.5×x=28,
3.5×x÷3.5=28÷3.5,
x=8.
练习册系列答案
相关题目