题目内容

【题目】计算下面各题。(能简算的要简算)

125×9.3×0.08      43.72×7.9+2.1×43.72      93÷0.25÷4

2.3+3.91÷(22-19.7)  7.92×6-18.45÷3      126÷[35-(98-87)]

【答案】93 437.2 93 4 41.37 5.25

【解析】

125×9.3×0.08

=125×0.08×9.3

=10×9.3

=93

43.72×7.9+2.1×43.72

=43.72×(7.9+2.1)

=43.72×10

=437.2

93÷0.25÷4

=93÷(0.25×4)

=93÷1

=93

2.3+3.91÷(22-19.7)

=2.3+3.91÷2.3

=2.3+1.7

=4

7.92×6-18.45÷3

=47.52-6.15

=41.37

126÷[35-(98-87)]

=126÷[35-11]

=126÷24

=5.25

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