题目内容
| 0.75×16÷0.15 | 21.36÷0.8+24.1 |
| 37.6-1.5÷0.24 | 17.5÷0.5×1.4 |
分析:(1)先调整一下运算顺序,使计算简便;
(2)先算除法,再算加法;
(3)先算除法,再算减法;
(4)从左往右依次运算.
(2)先算除法,再算加法;
(3)先算除法,再算减法;
(4)从左往右依次运算.
解答:解:(1)0.75×16÷0.15
=0.75÷0.15×16
=5×16
=80;
(2)21.36÷0.8+24.1
=26.7+24.1
=50.8;
(3)37.6-1.5÷0.24
=37.6-6.25
=31.35;
(4)17.5÷0.5×1.4
=35×1.4
=49.
=0.75÷0.15×16
=5×16
=80;
(2)21.36÷0.8+24.1
=26.7+24.1
=50.8;
(3)37.6-1.5÷0.24
=37.6-6.25
=31.35;
(4)17.5÷0.5×1.4
=35×1.4
=49.
点评:此题考查了小数的四则混合运算,注意运算顺序和运算法则,灵活运用所学的知识进行简便计算.
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