问题
解答题
|
答案
①234÷7.2+6.5×0.8,
=32.5+5.2,
=37.7;
②4.8+1.52÷0.4-0.4×6,
=4.8+3.8-2.4,
=6.2;
③(4.5-2.7)×(3.8+0.75),
=1.8×4.55,
=8.19;
④7.2÷[(7.22-6.41)÷9],
=7.2÷[0.81÷9],
=7.2÷0.09,
=80.
|
①234÷7.2+6.5×0.8,
=32.5+5.2,
=37.7;
②4.8+1.52÷0.4-0.4×6,
=4.8+3.8-2.4,
=6.2;
③(4.5-2.7)×(3.8+0.75),
=1.8×4.55,
=8.19;
④7.2÷[(7.22-6.41)÷9],
=7.2÷[0.81÷9],
=7.2÷0.09,
=80.