1. 簡便計算.44+37+56 540÷36 65×5×2249+402 &nb...
(1)44+37+56
=(44+56)+37
=100+37
=137;
(2)540÷36
=540÷(9×4)
=540÷9÷4
=60÷4
=15;
(3)65×5×2
=65×(5×2)
=65×10
=650;
(4)249+402
=249+400+2
=651;
(5)35×22
=35×2×11
=70×11
=770;
(6)483-236-64
=483-(236+64)
=483-300
=183.
2. 37x56+44x37 25x44 用簡便運算。 急急急
37X(56十44)=3700
25X4x11=100X11=1100
3. 44+37+56用簡便方法計算
原式=44+56+37
=100+37
=137
4. 44十37十56簡便計算怎麼算
用交換律44+37+56=44+56+37
再用結合律得(44+56)+37=100+37=137
5. 37x56+37ⅹ44簡便計算怎麼寫
37x56+37ⅹ44簡便計算怎麼寫?
這道題目的簡單方法就是,先合並同類項37再計算,
37x56+37ⅹ44
=37*(56+44)
=37*100
=3700
6. 44+37+56脫式計算
44+37+56
=(44+56)+37
=100+37
=137
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7. 44+37+58簡便計算
44+37+58簡便計算
44+37+58
=40+30+50+(4+7+8)
=120+19
=139
8. 簡便計算. 44+37+56 163+49+261 74+(137+326) 249+402 189+35+211+165 483-236-64 582-15
(1)44+37+56, =44+56+37, =100+37, =137;
(2)163+49+261, =163+(49+261), =163+310, =473;
(3)74+(137+326), =137+(74+326), =137+400, =537;
(4)249+402, =249+(400+2), =(249+400)+2, =649+2, =651;
(5)189+35+211+165, =(189+211)+(35+165), =400+200, =600;
(6)483-236-64, =483-(236+64), =483-300, =183;
(7)582-157-182, =582-182-157, =400-157, =243;
(8)65×5×2, =65×(5×2), =65×10, =650;
(9)15×23×4, =15×4×23, =60×23, =1380;
(10)36×25, =(4×9)×25, =(4×25)×9, =100×9, =900;
(11)25×125×32, =25×125×(4×8), =(25×4)×(125×8), =100×1000, =100000;
(12)35×22, =35×(20+2), =35×20+35×2, =700+70, =770;
(13)5×(63×2), =(5×2)×63, =10×63, =630;
(14)540÷45÷2, =540÷(45×2), =540÷90, =6;
(15)540÷36, =540÷(9×4), =540÷9÷4, =60÷4, =15. |