问题
解答题
递等式计算:
①(2.44-1.8)÷0.4
②2.9×1.4+2×0.16
③30.8÷[14-(9.85+1.07)].
答案
①(2.44-1.8)÷0.4,
=0.64÷0.4,
=1.6;
②2.9×1.4+2×0.16,
=4.06+0.32,
=4.38;
③30.8÷[14-(9.85+1.07)],
=30.8÷[14-10.92],
=30.8÷3.08,
=10.
递等式计算:
①(2.44-1.8)÷0.4
②2.9×1.4+2×0.16
③30.8÷[14-(9.85+1.07)].
①(2.44-1.8)÷0.4,
=0.64÷0.4,
=1.6;
②2.9×1.4+2×0.16,
=4.06+0.32,
=4.38;
③30.8÷[14-(9.85+1.07)],
=30.8÷[14-10.92],
=30.8÷3.08,
=10.