Question

3.29×10.2-3.27×0.2简便运算

Answer 1

3.29×10.2-3.27×0.2
=(3.27+0.02)x10.2-3.27x0.2
=3.27x10.2+0.02x10.2-3.27x0.2
=3.27x(10.2-0.2)+0.204
=3.27x10+0.204
=32.7+0.204
=32.904

Answer 2

3.29×10.2-3.27×0.2
=3.29×10+3.29×0.2-3.27×0.2
=32.9+（3.29-3.27）×0.2
=32.9+0.02×0.2
=32.9+0.004
=32.904