计算下面各题(能简算的要简算).

×+×0.4

0.56××

÷(2﹣

+)×30

99×

×÷45%

解:(1)[d2772c1e1b4b5efc.png]×[2a5426912836e68f.png]+[03495cb11f23cce3.png]×0.4

=0.4×[2840fdad971f0603.png]+[613031bece38ab42.png]×0.4

=0.4×([5c1f9018439b8797.png]+[01f66caea41c2f64.png]

=0.4×1

=0.4;

(2)0.56×[303dff0bc383e3d3.png]×[cdf27abf92025dd7.png]

=0.56×([1d6997b410ec9df0.png]×[67852dbee732525c.png]

=0.56×[65d3e775c55b66bc.png]

=0.07;

(3)[fd3f4fb974ca032a.png]÷(2﹣[d12b1470230417f1.png][ab5403c61434e790.png]

=[0d312144526e864e.png]÷[2﹣([36b1731df8d5d2de.png]+[7306188eac148915.png])]

=[4499b42b5e42d709.png]÷[2﹣1]

=[9fb452b9492c269c.png]÷1

=[9f0c87b3a8503d62.png]

(4)([ba1cc15b29479d19.png][630f6acb51a51a6b.png]+[784b66ef5bf89a29.png])×30

=[03705fa636f7ea39.png]×30﹣[2bb0d53c0d493d39.png]×30+[f025ecb00bf59861.png]×30

=20﹣18+25

=27;

(5)99×[e91a772e33cf7867.png]

=(98+1)×[ed7d80077c7b680a.png]

=98×[a14cc3e9f2d0abc1.png]+1×[e559623fcd776577.png]

=5+[6c30a17d4be0bec2.png]

=5[5150d6669c02a261.png]

(6)[d230c32586f8f20b.png]×[ae1ca372540681d8.png]÷45%

=[6b212a9415d2d842.png]÷45%

=[a03353aaf374bdb6.png]

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