"Mixed Operations of Rational Numbers" Rational Numbers and Their Operations PPT Courseware 2 Simple campus recruitment activity planning plan summary enterprise and institution recruitment publicity lecture PPT template is a general PPT template for business post competition provided by the manuscript PPT, simple campus recruitment activity planning plan summary enterprise and institution recruitment promotion Lecture PPT template, you can edit and modify the text and pictures in the source file by downloading the source file. If you want more exquisite business PPT templates, you can come to grid resource. Doug resource PPT, massive PPT template slide material download, we only make high-quality PPT templates!
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"Mixed Operations of Rational Numbers" Rational Numbers and Their Operations PPT Courseware 2
The arithmetic laws of rational numbers we have learned:
Commutative law of addition: a+b=b+a;
Additive associative law: (a+b)+c=a+(b+c);
Commutative law of multiplication: ab=ba;
Multiplicative associative law: (ab)c=a(bc);
Distributive law of multiplication: a(b+c)=ab+ac.
1. Calculate each of the following questions:
(1)21-35; (2)-3+5;
(3)-12+11-8+39;
(4) +45-9-91+5;
(5)-5-5-3-3;
(6)-5.4+0.2-0.6+0.8;
2. Calculate the following formulas:
(1)(-3)×(-8)×25;
(2)(-616)÷(-28);
(3) 6-(-12)÷(-3);
(4) 3·(-4)+(-28)÷7
(5) (-7)(-5)-90÷(-15);
practice
1. 2×(-3)³-4×(-3)+15
2. -10+8÷(-2)²-(-4)×(-3)
3. (-8÷2³)-(-8÷2)³
4. 2+10÷5² ×(-0.5)-1
5. -9+5×(-6)-(-4)²÷(-8)
6. -3-[-5+(1-0.2×)÷(-2)]
7.-14-×[ 2-(-3)² ]
8. (-2)²-(-5²)×(-1)5+87÷(-3)×(-1)4
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"Mixed Operations of Rational Numbers" PPT courseware 4:
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"Mixed Operations of Rational Numbers" PPT courseware 3:
"Mixed Operations of Rational Numbers" PPT Courseware 3 Mixed Operations of Rational Numbers Addition of the same sign takes the same sign absolute value addition of different signs takes the sign of the larger absolute value absolute value subtraction subtraction subtracting a number is equal to adding the opposite of the number multiplication Take the positive absolute value with the same sign..
"Mixed Operations of Rational Numbers" PPT courseware 2:
"Mixed Operations of Rational Numbers" PPT Courseware 2 Learning Objectives 1. Be able to correctly and skillfully perform mixed operations of addition, subtraction, multiplication, division and exponentiation of rational numbers according to the order of operations of rational numbers. 2. Be able to rationally use the laws of operations to simplify operations in operations. 3. Cultivate and improve positive...