问题 解答题 直接写得数.1.2÷67=1÷0.01-1=14-15=5÷15×5=2÷2%=0.5-20=5.7+11.8+4.3=259-56+49=(16+18)×24=4.9×81= 答案 1.2÷67=1.4,1÷0.01-1=99,14-15=120,5÷15×5=125,2÷2%=100,0.5-20=-19.5,5.7+11.8+4.3=21.8,259-56+49=216,(16+18)×24=7,4.9×81=396.9.故答案为:1.4,99,120,125,100,-19.5,21.8,216,7,396.9.