3.4×23+4.5×27的简算
3.4×23+4.5×27的简算
3.4×23+4.5×27的简算
解:采用拆分法,
原式=3.4×23+4.5×27
=3.4x23+(3.4+0.9)x27
=3.4x23+3.4x27+0.9x27
=3.4x(23+27)+24.3
=3.4x50+24.3
=170+24.3
=194.3
3.4乘23加4.5乘27简便运算怎样算
【速算】
3.4x23+4.5x27
=3.4x(23+27)+1.1x27
=3.4x50+29.7
=170+29.7
=199.7
4.5×6.6+3.4怎样简算
4.5*6.6+3.4
=39.7+3.4
=43.1
27×3.4+17.3×34 怎样简算啊?
173乘400+2700
简算:(27-23)×12
(27-23)×12
=[(25+2﹚﹣﹙25-2)]×2×6
=[25+2-25+2]×2×6
=[2+2]×2×6
=4×2×6
=8×6
=48
23/16×27+16×23/19简算
16/23 ×27 + 16× 19/23=1/23 × 16×27 +1/23 ×19 ×16=1/23 ×16×(27+19)
=16/23 ×46=32
69一27一23凑十简算
=69-(27+23)
=69-50
=19
(23+27)×25+(77+73)×25的简算
(23+27)×25+(77+73)×25的简算
=25×(50+150)
=25×200
=5000
能简算的要简算: 1.25*4.5*80
1.25*4.5*80
=1.25×80×4.5
=100×4.5
=450
16.8-(3.4十7.83)十13.7能简算的要简算
16.8-(3.4十7.83)十13.7
=16.8-(3.4十7.8+0.03)十13.7
=(16.8-7.8)+(13.7-3.4)-0.03
=9+10.3-0.03
=19.3-0.03
=19.27
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