| 4.2-1.38+5.8-3.62 | 2.42¡Â$\frac{3}{4}$+4.58¡Á1$\frac{1}{3}$-4¡Â3 | 125¡Á8.4 |
| $\frac{1}{5}$¡Á12+$\frac{4}{5}$¡Á42 | $\frac{4}{5}$+9$\frac{4}{5}$+99$\frac{4}{5}$+999$\frac{4}{5}$+9999$\frac{4}{5}$ | 25%¡Á32¡Á1.25£® |
·ÖÎö £¨1£©¸ù¾Ý¼Ó·¨½»»»ÂɺͽáºÏÂÉÒÔ¼°¼õ·¨µÄÐÔÖʽøÐмòË㣻
£¨2£©¡¢£¨3£©¡¢£¨4£©¸ù¾Ý³Ë·¨·ÖÅäÂɽøÐмòË㣻
£¨5£©¸ù¾Ý¼Ó·¨½»»»ÂɺͽáºÏÂɽøÐмòË㣻
£¨6£©¸ù¾Ý³Ë·¨½»»»ÂɺͽáºÏÂɽøÐмòË㣮
½â´ð ½â£º£¨1£©4.2-1.38+5.8-3.62
=£¨4.2+5.8£©-£¨1.38+3.62£©
=10-5
=5£»
£¨2£©2.42¡Â$\frac{3}{4}$+4.58¡Á1$\frac{1}{3}$-4¡Â3
=2.42¡Á$\frac{4}{3}$+4.58¡Á$\frac{4}{3}$-$\frac{4}{3}$
=£¨2.42+4.58-1£©¡Á$\frac{4}{3}$
=6¡Á$\frac{4}{3}$
=8£»
£¨3£©125¡Á8.4
=125¡Á£¨8+0.4£©
=125¡Á8+125¡Á0.4
=1000+50
=1050£»
£¨4£©$\frac{1}{5}$¡Á12+$\frac{4}{5}$¡Á42
=$\frac{4}{5}$¡Á3+$\frac{4}{5}$¡Á42
=$\frac{4}{5}$¡Á£¨3+42£©
=$\frac{4}{5}$¡Á45
=36£»
£¨5£©$\frac{4}{5}$+9$\frac{4}{5}$+99$\frac{4}{5}$+999$\frac{4}{5}$+9999$\frac{4}{5}$
=£¨$\frac{1}{5}$+$\frac{1}{5}$+$\frac{1}{5}$+$\frac{1}{5}$£©+9$\frac{4}{5}$+99$\frac{4}{5}$+999$\frac{4}{5}$+9999$\frac{4}{5}$
=£¨$\frac{1}{5}$+9$\frac{4}{5}$£©+£¨$\frac{1}{5}$+99$\frac{4}{5}$£©+£¨$\frac{1}{5}$+999$\frac{4}{5}$£©+£¨$\frac{1}{5}$+9999$\frac{4}{5}$£©
=10+100+1000+10000
=11110£»
£¨6£©25%¡Á32¡Á1.25
=25%¡Á£¨4¡Á8£©¡Á1.25
=£¨25%¡Á4£©¡Á£¨8¡Á1.25£©
=1¡Á10
=10£®
µãÆÀ ¿¼²éÁËÔËË㶨ÂÉÓë¼ò±ãÔËË㣬ËÄÔò»ìºÏÔËË㣮עÒâÔËËã˳ÐòºÍÔËËã·¨Ôò£¬Áé»îÔËÓÃËùѧµÄÔËË㶨Âɼò±ã¼ÆË㣮
| Äê¼¶ | ¸ßÖÐ¿Î³Ì | Äê¼¶ | ³õÖÐ¿Î³Ì |
| ¸ßÒ» | ¸ßÒ»Ãâ·Ñ¿Î³ÌÍÆ¼ö£¡ | ³õÒ» | ³õÒ»Ãâ·Ñ¿Î³ÌÍÆ¼ö£¡ |
| ¸ß¶þ | ¸ß¶þÃâ·Ñ¿Î³ÌÍÆ¼ö£¡ | ³õ¶þ | ³õ¶þÃâ·Ñ¿Î³ÌÍÆ¼ö£¡ |
| ¸ßÈý | ¸ßÈýÃâ·Ñ¿Î³ÌÍÆ¼ö£¡ | ³õÈý | ³õÈýÃâ·Ñ¿Î³ÌÍÆ¼ö£¡ |
¿ÆÄ¿£ºÐ¡Ñ§Êýѧ À´Ô´£º ÌâÐÍ£ºÌî¿ÕÌâ
²é¿´´ð°¸ºÍ½âÎö>>
¿ÆÄ¿£ºÐ¡Ñ§Êýѧ À´Ô´£º ÌâÐÍ£ºÅжÏÌâ
²é¿´´ð°¸ºÍ½âÎö>>
¿ÆÄ¿£ºÐ¡Ñ§Êýѧ À´Ô´£º ÌâÐÍ£º¼ÆËãÌâ
²é¿´´ð°¸ºÍ½âÎö>>
¿ÆÄ¿£ºÐ¡Ñ§Êýѧ À´Ô´£º ÌâÐÍ£ºÑ¡ÔñÌâ
| A£® | ¶«±± | B£® | Î÷ÄÏ | C£® | Î÷±± |
²é¿´´ð°¸ºÍ½âÎö>>
¿ÆÄ¿£ºÐ¡Ñ§Êýѧ À´Ô´£º ÌâÐÍ£ºÑ¡ÔñÌâ
| A£® | 31¡Á53 | B£® | 48¡Á29 | C£® | 42¡Á36 |
²é¿´´ð°¸ºÍ½âÎö>>
¹ú¼ÊѧУÓÅÑ¡ - Á·Ï°²áÁбí - ÊÔÌâÁбí
ºþ±±Ê¡»¥ÁªÍøÎ¥·¨ºÍ²»Á¼ÐÅÏ¢¾Ù±¨Æ½Ì¨ | ÍøÉÏÓк¦ÐÅÏ¢¾Ù±¨×¨Çø | µçÐÅթƾٱ¨×¨Çø | ÉæÀúÊ·ÐéÎÞÖ÷ÒåÓк¦ÐÅÏ¢¾Ù±¨×¨Çø | ÉæÆóÇÖȨ¾Ù±¨×¨Çø
Î¥·¨ºÍ²»Á¼ÐÅÏ¢¾Ù±¨µç»°£º027-86699610 ¾Ù±¨ÓÊÏ䣺58377363@163.com