|
');
(window.slotbydup=window.slotbydup || []).push({
id: '8096091',
container: s,
size: '580,90',
display: 'inlay-fix'
});
})();
根号的乘除法： √ab=√a·√b﹙a≥0b≥0﹚，如：√8=√4·√2=2√2 √a/b=√a÷√b 三角不等式 |a+b|≤|a|+|b| |a-b|≤|a|+|b| |a|≤b<=>-b≤a≤b |a-b|≥|a|-|b| -|a|≤a≤|a| (责任编辑：admin) |