![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhBj3xXW0gVBl_m_oojO5bKj3OGMgvqwZhH79gliG1koQ5iYC0dR1QhQQ3MPo0a46LL0QOAfLimpF0-xPK_ZWnRNM1aV7qNep-1m3zG2ZoRNqo3z-9MupdXdp60LoHpEmsOHR_d4BhGJP4/s280/2A0a.jpg)
SUSTRACCIÓN Ó RESTA DE NÚMEROS POSITIVOS Y NEGATIVOS
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgjvK83yz2tnZI7q3ZrRpUr3-HkW8ikPVdPs5hqYJkqBjoiOc_0FNrer3cB0At1HyprrSl1GaY-euoka_7lwZe0bgEINML9LYJPApkbaBfTXQIQJB4u2e-8iERlvAx06m3Ytf2k3QOxPIc/s280/Z11a.jpg)
¿En cuántos grados varió la temperatura en cada ciudad? Observa cómo obtener la resta de cada caso.
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEh2GaMOT2kdx7fdfb99fIiWPC-faqCq04ifrJ4oP5ezVq3BzZtNnQZhLxtFbcUG_9m9YCIFmXDT_LzCmSdxgAeNuLv0HPxelRNygQJ_Z48Msz-wEbWY4defhVwzR30g504fdKvBVSzC4nA/s280/Z11b.jpg)
Es decir en la ciudad de Calama hubo mayor variación de temperatura.
¿Cuál es la diferencia entre la temperatura mínima entre la ciudad de Calama y la ciudad de Santiago?
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhHPg7Q7uoFNJcQUyXZq-4uqlkXawNXz_uBPG2amlGn6XlnMBLeYeLR-Buns9rGqy4-N3BCXFX7ZTeu1wuiwCQNsJJDTBo2XG1DCcRHKVEt4uPMJq7nIQzHPjzmtsqeuNyHcQIY9qS9n68/s280/Z12a.jpg)
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEii8FPg29cjCgVoBM3n6kcj9993wtzkwE-MshyJDtf5uL6EjnofipLM8GJHsCOs2Fwa_rBwOb0hMA313XmgY5iYPZu7bZUWEfncvm0P68NCr2GQl4iEaG03wizv_Wofz4bLQ_JqZNLi_m4/s280/Z12b.jpg)
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjBuGlI2h_7pSZrduh3_SAhTl5rz8lnv4lQjyha3TMF-w3UFJCI3eZ6GEPkmlfJsl2_VAZKOs08PH_K3amgD2IPY2lkY6qjg3gyzoozvhnAFcapJuzmT9VSsLLjkY1wby9OuDQ9NQHcfDM/s280/Z13a.jpg)
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEh1Vda1aQAncmoNgTbGV1292XJNlj3pcjd7BWG3DP1wZf1eUIySIyabDV9LZ_RuAlbMSgRiPII9cpx-eu45Q76pfx-DL4WXlq13Sm2tu4Zdmu2JwUdwOYstiClF0jPkSZFTKKmYfFoQqNQ/s280/Z13b.jpg)
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiJSwMXgOD2PuJuF8gkALkEeCe5xPBiOdQjoF8hX2cdCrwh_wm6EAeRjfaDuq_27oAJ-pGel7UVnwashIS4g248ReiUHGngxIVBcBcL3qmDN5QFYhfMb6weJBSA7W1eBnJWcUAELUTXlnw/s280/Z14a.jpg)
ADICIONES Y SUSTRACCIONES COMBINADAS
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjJGc8QwCTXU0_j0xcEifl6xzm3h7VWurKaM6M1uTTUtO1sr9FhXXuojc34_gPmlDhPcPc6JA5lc_EZ0wm0_aplAfBrw4V8gq0Kl6fSNoOX_BK5cZafrOLrV8-VKIEmWhz4CzgBfplNiMU/s280/Z14b.jpg)
En algunos países de Europa, como Holanda, son llamados países bajos, debido a que gran parte de sus territorios se encuentran bajo el nivel del mar.
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEg4mvbg9TO35De4JJ1JzY-0z6tlaHposMJztOLPLUHtPnhuZmHs6b8QFBL1QqLbCPxtDHygTY8k2ltKOXkHFusWqTyMDWoDVv8nPvM0vIt1HF1-1mVBXMp-1M5SdcXMyHJIpi6r3bCiXw4/s280/Z15a.jpg)
Si un buzo se sumerge
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhnk7s6DCY4u_UAU-Cy-6CXWq23Uwoub0k0qLoDbOyvZot3N02v76nuxjg4V99Ugw8xRReczhuHiF8WKplIGPO2nuh7ROQQ1CQHvOp1i-ZRJ-86LFHbjzlzuGUTaPDFBhdXEIVwty2WtfI/s280/Z15b.jpg)
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgMKnxti-15BVZ_fGLzDVRw5FA0q4L6yiVup1cw8KfxIAu5JUDgB0_vogqcLS3AdMKpK7aAzAtAKv1BlSrtzKvNrvKfiQ3Iy4q4uJoja3W23ghoOF9mGuzh9P5JHSlK-J9k0tfbTZ7anaU/s280/Z16a.jpg)
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhOe_P3y5kMxxa1IqZr1qhNrvdbjxwUcy5sF6-VzaBnGd0jXBLOHC5J7Le4a3ZZ-jjm1go3v6Hch90ZuABVHWgAb2MmEqLDp32h8Y4ZSbFg-M6CIxRsYH7zJZUYMXPSjOAWVpMMMMbm_w8/s280/Z16b.jpg)
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEifFNk6hGQsXWmUiQKRb_w6quGg0V68JMncrH04dUY0XpATHT8jSZ_rrfjq9pRd3CyhPU5qVMzJsbuPNtr6cT8wjB0pLyBZSKz5j1WV7ahJ4wHrPueM23P-rcNSzjm7SIFkx1wxpoocfmo/s280/Z17a.jpg)
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEix09JlhiZf6vF3jeBrgx03vTdn_V8HvPATa-FoMirzzNWHJgkOnX4XGN18wBYeGsKGPpOowy_ftWPt3G-6V8DGza3TkVqGCGcLNAkcavwamBXAzx3FFCr36uHncQGjU4TobOgXnHxrEuI/s280/Z17b.jpg)
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEh4TUDjaMFj8R7d5SgqXikewPBLdpSTmHrjy61LFL6KqpsdDKDdCHxzHIgN4FAyj-H6sGZ_kq_0ssktIi3pCCkt8V96UK5-WrxtC_6utMRSBf6zcwhF44PW_Blh2EVvzHP2vufeHRd5Q-w/s280/Z18a.jpg)
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjUQCnLUR6bXZv7rj4zOnAccWRhw3i0vC2V7AUSNbPxIFczg3hHTTe9LkTus7gnYKcxePPx2MCXnp7eR9sz-wP1DKwLuYMAuno2u-xFlTnnI8cE_hHhVnRLUAPz7Hjxl1ZBLNRU2dOIRhk/s280/Z18b.jpg)
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhHgKYYEnVABOO1bW_cYdGXLpgCjhJLVS1Se3-rw5YcEiCChivzmvPhqp5C8wg-gCdf0uKFGEZfl0C4ZyBi-SAATQ0W_GbT_OE1X6FeIekLMlCWfQV3lay5DKPPlw_RIcfq8CSyqx22YiY/s280/Z19a.jpg)
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjeF5nS-28FxXTFfWl6k_T9qofiQSvrOW1imuIqBEP_gh5c139qVJ-QaUSfwDlS-uXpr7LMdjALdx4S2r0CYJVAMXFp8CqTymsXvJoahGNrG6TqtoQAzWEiLmbF_4NP-0KWsJGDwDD7fFE/s280/Z19b.jpg)
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjGtbgzbBo3TgwAF6XSPpyiTv7TqWP59NM2XPv1ZG5Qtr9AuCF_QEko-TQAEHYqc8bndM9anXpp0qM2x_t1rwdTiwmamb9b_1cOXbU0OM9xYYD0wGyJ4JIVho_kiMZdcQFxbzftKlVHODU/s280/Z20a.jpg)
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEie0BuyJXU4QviTOBEztDssIl-EaAU6wvc4BbRGFLq_Q5S_QG7obPdCleBpKbFisMiQPGQ-zFMuzdePBMMBVpAR2C33VbOoJVlB9wIgTAeF8o1i4KUMOi_p6uHNocGkVNmunq319aT3qjk/s280/Z20b.jpg)
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