脱式计算.(能简算的要简算)(1)5.4×(86.5-16.25÷0.5)(2)3-32×1021-27(3)95.6×18+4.4×18(4)1516+(716-14)÷12.-数学
题文
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答案
(1)5.4×(86.5-16.25÷0.5), =5.4×(86.5-32.5), =5.4×54, =291.6; (2)3-
=3-
=3-(
=3-1, =2; (3)95.6×18+4.4×18, =(95.6+4.4)×18, =100×18, =1800; (4)
=
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题文
|
答案
(1)5.4×(86.5-16.25÷0.5), =5.4×(86.5-32.5), =5.4×54, =291.6; (2)3-
=3-
=3-(
=3-1, =2; (3)95.6×18+4.4×18, =(95.6+4.4)×18, =100×18, =1800; (4)
=
= |