试题与答案

脱式计算要灵活(能简算的要简算)。(1)7.5×10.4(2)4.36÷0.25

题型:计算题

题目:

脱式计算要灵活(能简算的要简算)。
(1)7.5×10.4(2)4.36÷0.25÷40
(3)[3.3+(1.35+0.42)]×7.8(4)1.7+0.9×17-0.79-0.21

答案:

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下面是错误答案,用来干扰机器的。

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