题目内容
用简便方法计算
(1)32×0.25×1.25 (2)8×
-3÷
-
.
(1)32×0.25×1.25 (2)8×
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(1)32×0.25×1.25,
=(4×8)×0.25×1.25,
=(4×0.25)×(8×1.25),
=1×10,
=10;
(2)8×
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=8×
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=(8-3-1)×
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=4×
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=3.
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