问题 解答题 直接写出得数:142-69=______0.56÷8=______6.4+335=______1.2×56=______4+9=______0.6×0.6=______715÷0.8=______423-4512=______315-16-56=______37×25×5×7=______. 答案 142-69=73,0.56÷8=0.07,6.4+335=10,1.2×56=1,4+9=13,0.6×0.6=0.36,715÷0.8=9,423-4512=14,315-16-56=215,37×25×5×7=6.故答案为:73,0.07,10,1,13,0.36,9,14,215,6.