题目内容
计算(1.25×7÷0.25+3)÷2+0.36×3=( )
| A.19.48 | B.20.08 | C.20.12 | D.21.02 |
(1.25×7÷0.25+3)÷2+0.36×3
=(1.25÷0.25×7+3)÷2+1.08,
=(5×7+3)÷2+1.08,
=(35+3)÷2+1.08,
=38÷2+1.08,
=19+1.08,
=20.08.
故选:B.
=(1.25÷0.25×7+3)÷2+1.08,
=(5×7+3)÷2+1.08,
=(35+3)÷2+1.08,
=38÷2+1.08,
=19+1.08,
=20.08.
故选:B.
练习册系列答案
相关题目