题目内容
列式计算.
(1)5.8比0.24的12倍多多少?
(2)从369.5里减去3.2的2倍,所得的差再除以0.4,结果是多少?
(3)一个数的7倍减去5个0.5,差是1.7,求这个数.
(1)5.8比0.24的12倍多多少?
(2)从369.5里减去3.2的2倍,所得的差再除以0.4,结果是多少?
(3)一个数的7倍减去5个0.5,差是1.7,求这个数.
(1)5.8-0.24×12,
=5.8-2.88,
=2.92;
(2)(369.5-3.2×2)÷0.4,
=363.1÷0.4,
=907.75;
(3)(1.7+0.5×5)÷7,
=4.2÷7,
=0.6.
=5.8-2.88,
=2.92;
(2)(369.5-3.2×2)÷0.4,
=363.1÷0.4,
=907.75;
(3)(1.7+0.5×5)÷7,
=4.2÷7,
=0.6.
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