问题 解答题 直接写得数510-240=2.4×5=64÷0.4=4×5%=12-49-59=112÷6=3.8+2=12-13=79×45=0.33= 答案 510-240=270,2.4×5=12,64÷0.4=160,4×5%=0.2,12-49-59=11,112÷6=172,3.8+2=5.8,12-13=16,79×45=35,0.33=0.027.故答案为:270,12,160,0.2,11,172,5.8,16,35,0.027.