Question

Q1. Complétez avec les prépositions.

a. Samedi prochain ,je vais ___________ mon meilleur ami.

b. Nous partirons cette année faire du ski ______ février.


c. Le magasin est ouvert __________ 8 heures __________ 20

heures​

Answer 1

Answer:

ggggggggggggggggggggggggggggg

Explanation:

ggggggggggggggggggggggggggggg

Answer 2

Answer:

Solution 1:

(a) 730+998730+998

Rounding of to nearest hundred

730\Rightarrow700730⇒700 and 998\Rightarrow1,000998⇒1,000

730+998\ \Rightarrow\ 700+1,000730+998 ⇒ 700+1,000

= 1,700

(b) 796-314796−314

Rounding of to nearest hundered

796\Rightarrow800\ \ and\ \ 314\Rightarrow300796⇒800 and 314⇒300

796-314\ \Rightarrow\ 800-300796−314 ⇒ 800−300

= 500

(c) 12,904+2,88812,904+2,888

Rounding off to nearest thousand

12,904\Rightarrow13,000\ \ and\ \ 2,888\Rightarrow3,000\12,904⇒13,000 and 2,888⇒3,000 12,904+2,888\ \Rightarrow\ 13,000+3,00012,904+2,888 ⇒ 13,000+3,000

= 16,000

(d) 28,292-21,49628,292−21,496

Rounding off to nearest thousand

28,292\Rightarrow28,000\ \ and\ \ 21,496\Rightarrow21,00028,292⇒28,000 and 21,496⇒21,000

28,292-21,496\ \Rightarrow\ 28,000-21,00028,292−21,496 ⇒ 28,000−21,000

= 7,000

10 more examples :-

Example 1:

1,246+5,822\ \Rightarrow\ 1,200+6,000\ =\ 7,2001,246+5,822 ⇒ 1,200+6,000 = 7,200

Example 2:

333+737\ \Rightarrow\ 300+700\ =\ 1,000333+737 ⇒ 300+700 = 1,000

Example 3:

23,489-13,503\ \Rightarrow\ 23,000-14,000\ =\ 9,00023,489−13,503 ⇒ 23,000−14,000 = 9,000

Example 4:

11,307-10,312\Rightarrow\ 11,000-10,000\ =\ 1,00011,307−10,312⇒ 11,000−10,000 = 1,000

Example 5:

213-189\ \Rightarrow\ 200-200\ =\ 0213−189 ⇒ 200−200 = 0

Example 6:

9,853+9,999\ \Rightarrow\ 10,000+10,000\ =\ 20,0009,853+9,999 ⇒ 10,000+10,000 = 20,000

Example 7:

5,703+5,431\Rightarrow\ 6,000+5,000\ =\ 11,0005,703+5,431⇒ 6,000+5,000 = 11,000

Example 8:

6,423-3,610\ \Rightarrow\ 6,000-4,000\ =\ 2,0006,423−3,610 ⇒ 6,000−4,000 = 2,000

Example 9:

2,876+9,559\ \Rightarrow\ 3,000+10,000\ =\ 13,0002,876+9,559 ⇒ 3,000+10,000 = 13,000

Example 10:

4,639-2,990\ \Rightarrow\ 5,000-3,000\ =\ 2,0004,639−2,990 ⇒ 5,000−3,000 = 2,000

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