四年级下册简便计算大全
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8 × 27 + 8 × 73
=8×(27+73)
=8×100
=800
45 × 7 + 55 × 7
=(45+55)×7
=100×7
=700
329×101
=329×100+329×1
=32900+329
=33229
25 ×（20 + 4）
=25×20+25×4
=500+100
=600
9 × 37+9 ×63
=9×(37+63)
=9×100
=900
36×97-58×36+61×36
=36×(97-58+61)
=36×100
=3600
5000÷8÷125
=5000÷(8×125)
=5000÷1000
=5
25x(4+8)
=25×4+25×8
=100+200
=300
84x101
=84×100+84×1
=8400+84
=8484
=8×(27+73)
=8×100
=800
45 × 7 + 55 × 7
=(45+55)×7
=100×7
=700
329×101
=329×100+329×1
=32900+329
=33229
25 ×（20 + 4）
=25×20+25×4
=500+100
=600
9 × 37+9 ×63
=9×(37+63)
=9×100
=900
36×97-58×36+61×36
=36×(97-58+61)
=36×100
=3600
5000÷8÷125
=5000÷(8×125)
=5000÷1000
=5
25x(4+8)
=25×4+25×8
=100+200
=300
84x101
=84×100+84×1
=8400+84
=8484
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