65×102+8×23×125脱式计算
脱式计算.(能简算的要简算)65×102 8.23-...
脱式计算.(能简算的要简算) 65×102 8.23-(2.67+3.23) 32×16+14×32 8.46+7.26+1.51+2.84 27×[(263+37)÷50] 125×32×25.
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(1)65×102
=65×(100+2)
=65×100+65×2
=6500+130
=6630
(2)8.23-(2.67+3.23)
=8.23-2.67-3.23
=(8.23-3.23)-2.67
=5-2.67
=2.33
(3)32×16+14×32
=32×(16+14)
=32×30
=960
(4)8.46+7.26+1.51+2.84
=(8.46+1.51)+(7.26+2.84)
=10+10.1
=20.1
(5)27×[(263+37)÷50]
=27×[300÷50]
=27×6
=162
(6)125×32×25
=125×8×4×25
=(125×8)×(4×25)
=1000×100
=100000
=65×(100+2)
=65×100+65×2
=6500+130
=6630
(2)8.23-(2.67+3.23)
=8.23-2.67-3.23
=(8.23-3.23)-2.67
=5-2.67
=2.33
(3)32×16+14×32
=32×(16+14)
=32×30
=960
(4)8.46+7.26+1.51+2.84
=(8.46+1.51)+(7.26+2.84)
=10+10.1
=20.1
(5)27×[(263+37)÷50]
=27×[300÷50]
=27×6
=162
(6)125×32×25
=125×8×4×25
=(125×8)×(4×25)
=1000×100
=100000
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