Question

455×7 3 5 +111÷ 5 96 +43.3×76

1 2 3 -[（3.62× 2 15 +6.38÷7 1 2 ）×1.82-1 1 3 ×0.82]．

Answer 1

（1）455×7

3

5

+111÷

5

96

+43.3×76，
=455×7.6+111×19.2+43.3×76，
=7.6×（455+433）+111×19.2，
=7.6×888+111×19.2，
=111×（60.8+19.2），
=111×80，
=8880；


（2）1

2

3

-[（3.62×

2

15

+6.38÷7

1

2

）×1.82-1

1

3

×0.82]，
=1

2

3

-[

2

15

×（3.62+6.82）×1.82-1

1

3

×0.82]，
=1

2

3

-[1

1

3

×（1.82-0.82）]，
=1

2

3

-1

1

3

，
=

1

3

．