43×99+430.3×(77.6-5.6)56×(37-38)57×35÷6723+58×2538×〔89÷(56-34)〕-数学
题文
43×99+43 0.3×(77.6-5.6) 56×(
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答案
(1)43×99+43, =(99+1)×43, =100×43, =4300; (2)0.3×(77.6-5.6), =0.3×72, =21.6; (3)56×(
=56×
=24-21, =3; (4)
=
=
(5)
=
=
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题文
43×99+43 0.3×(77.6-5.6) 56×(
|
答案
(1)43×99+43, =(99+1)×43, =100×43, =4300; (2)0.3×(77.6-5.6), =0.3×72, =21.6; (3)56×(
=56×
=24-21, =3; (4)
=
=
(5)
=
=
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