Overview: 7 questions will be solved this time.Among them
☆6 arithmetic calculations
☆1 integer calculations
[1/% Digital analysis]
Assignment: Convert 4800÷25 to decimal.
Question type: Convert fraction to decimal
Solution:
First reduce fraction:
The numerator and denominator of the fraction 4800÷25 are reduced to the simplest fraction by the common divisor 5,5,
is: 192/1
192/1=192 *Note: Can be converted to integer.[2/7 Formula]
Work: Calculate the value of equation (300+6)×12 .
Question type: Mathematical calculation
Solution:
(300+6)×12
=306×12
=3672 Answer:(300+6)×12=3672[3/7 Formula]
Work: Calculate the value of equation 2356-(1356-721) .
Question type: Mathematical calculation
Solution:
2356-(1356-721)
=2356-635
=1721 Answer:2356-(1356-721)=1721[4/7 Formula]
Work: Calculate the value of equation 25×(4+8) .
Question type: Mathematical calculation
Solution:
25×(4+8)
=25×12
=300 Answer:25×(4+8)=300[5/7 Formula]
Work: Calculate the value of equation 1235-(1780-1665) .
Question type: Mathematical calculation
Solution:
1235-(1780-1665)
=1235-115
=1120 Answer:1235-(1780-1665)=1120[6/7 Formula]
Work: Calculate the value of equation 125×(88+8) .
Question type: Mathematical calculation
Solution:
125×(88+8)
=125×96
=12000 Answer:125×(88+8)=12000[7/7 Formula]
Work: Calculate the value of equation 95×7+19×65 .
Question type: Mathematical calculation
Solution:
95×7+19×65
=665+19×65
=665+1235
=1900 Answer:95×7+19×65=1900
>>注:本次最多计算 7 道题。
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