5.5×38.3 0.55×610 5.5×0.7的简便运算

Question

如题所述

Answer 1

5.5×38.3+ 0.55×610 +5.5×0.7
=5.5x38.3+5.5x61+5.5x0.7
=5.5x(38.3+61+0.7)
=5.5x100
=550

希望能帮到你

Answer 2

5.5×38.3 0.55×610 5.5×0.7
=5.5×38.3+5.5×61+5.5×0.7
=5.5×(38.3+61+0.7)
=5.5×100
=550