题目内容
计算大擂台
19.4×6.1×2.3
56.7×0.21+0.093.
19.4×6.1×2.3
56.7×0.21+0.093.
分析:(1)按照从左向右的顺序进行计算;
(2)先算乘法,再算加法.
(2)先算乘法,再算加法.
解答:解:
(1)19.4×6.1×2.3,
=118.34×2.3,
=272.182;
(2)56.7×0.21+0.093,
=11.907+0.093,
=12.
(1)19.4×6.1×2.3,
=118.34×2.3,
=272.182;
(2)56.7×0.21+0.093,
=11.907+0.093,
=12.
点评:考查了小数四则混合运算,先弄清运算顺序,然后再进一步计算.
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