看谁算得准.(1)7.2×99+7.2(2)5-(67÷314+316÷38)(3)(27+227)×7+2317(4)0.125×2.5×3.2(5)1.05×(3.8-0.8)÷6.3(6)34÷[(35-14)×37].-数学
题文
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答案
(1)7.2×99+7.2, =7.2×99+7.2×1, =7.2×(99+1), =7.2×100, =72; (2)5-(
=5-(
=5-(4+
=5-4-
=1-
=
(3)(
=
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题文
|
答案
(1)7.2×99+7.2, =7.2×99+7.2×1, =7.2×(99+1), =7.2×100, =72; (2)5-(
=5-(
=5-(4+
=5-4-
=1-
=
(3)(
=
|