Question

Tính nhanh:

66,70 - 49,67 - 7,70

Answer 1

66,70 - 49,67 - 7,70

= (66,70 - 7,70) - 49,67

= 59 - 49,67

= 9,33

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Answer 2

66,70 - 49,67 - 7,70

= (66,70 - 7,70) - 49,67

=          59        - 49,67

=                 9,33

Answer 3

66,70-49,67-7,70

=(66,70-7,70)-49,67

=         59    - 49,67

 =                10.67

Answer 4

=9,33 nhe ban

Answer 5

tinh nham: 59-49,67=9,33

Answer 6

\(66,70-49,67-7,70\)

\(=66,7-49,67-7,7\)

\(=\left(66,7-7,7\right)-49,67\)

\(=59-49,67\)

\(=9,33\)

Answer 7

66,70 - 49,67 - 7,70

= (66,70 - 7,70) - 49,67

= 59 - 49,67

= 9,33

Answer 8

(66,70-7,70)-49,67=

59-49,67=

=9,33

Answer 9

66,70-49,67-7,70

=(66,70-7,70)-49,67

=59-49,67

=9,33