| 计算. 208-900÷45 | 25.6-8.44-1.56 | 0.8×40×25×1.25 | |||||||||||
[1-(
| (
|
=208-20,
=188;
(2)25.6-8.44-1.56,
=25.6-(8.44+1.56),
=25.6-10,
=15.6;
(3)0.8×40×25×1.25,
=(0.8×1.25)×(40×25),
=1×1000,
=1000;
(4)[1-(
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=[1-
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=
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=
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(5)(
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=(
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=
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