Question

（要用运算定律）46.3X0.56+5.38X5.6-0.05611X22+0.22X3300+330x4.4

Answer 1

46.3X0.56+5.38X5.6-0.056=0.056*（46.3*10+5.38*100-1）=0.056*（463+538-1）=0.056*1000=56

11X22+0.22X3300+330x4.4=22*（11+0.01*3300+330*0.2）=22*（11+33+66）=22*110=2420