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递等式计算题 1.25*64*0.25用递等式简便计算

火烧 2022-03-14 12:27:41 1293
1.25*64*0.25用递等式简便计算 1.25*64*0.25用递等式简便计算1.25*64*0.25=(1.25*8)*(4*0.25*2)=10*2=20递等式计算:48×0.25×1.25=

1.25*64*0.25用递等式简便计算  

1.25*64*0.25用递等式简便计算

1.25*64*0.25
=(1.25*8)*(4*0.25*2)
=10*2
=20

递等式计算:48×0.25×1.25=?简便计算

48×0.25×1.25
=(40+8)×0.25×1.25
=40×0.25×1.25 +8×1.25×0.25
=10×1.25 +10×0.25
=12.5 +2.5
=15

7.1÷0.25简便计算 递等式

7.1÷0.25
=(7.1×4)÷(0.25×4)
=28.4÷1
=28.4

用递等式计算(能简便计算就简便计算)(1)0.9×(5.2-0.7)÷0.15(2)(1.25+1.25+1.25+1.25+1.25)×

(1)0.9×(5.2-0.7)÷0.15,
=0.9×4.5÷0.15,
=4.05÷0.15,
=27;

(2)(1.25+1.25+1.25+1.25+1.25)×1.6
=(1.25×5)×1.6,
=(1.25×1.6)×5,
=2×5,
=10;

(3)9.8×10.2,
=9.8×(10+0.2),
=9.8×10+9.8×0.2,
=98+1.96,
=99.96;

(4)[0.15+(3.9-3.51)÷0.6]×7.5,
=[0.15+(3.9-3.51)÷0.6]×7.5,
=[0.15+0.39÷0.6]×7.5,
=[0.15+0.65]×7.5,
=0.8×7.5,
=6.

1.25×0.7+1.25×1.2+12.5简便计算递等式

原式=1.25X0.7+1.25X1.2+1.25X10=1.25X(0.7+1.2+10)=1.25X11.9=14.875

8.88乘以1.25的简便计算(递等式)

8.88x1.25
=(8+0.8+0.08)x1.25
=8x1.25+0.8x1.25+0.08x1.25
=10+1+0.1
=11.1
希望能帮到你!

递等式计算(能简便的要简便计算)9.6÷0.4×0.25 8.68-8.68÷0.56×0.5 29.7÷(5.85÷0.65) 1.25

9.6÷0.4×0.25,
=24×0.25,
=0.25×4×6,
=6;

8.68-8.68÷0.56×0.5,
=8.68-8.68×(0.5÷0.56),
=8.68×(1-0.5÷0.56),
=8.68×0.06÷0.56,
=8.68×

3 28


=0.93;

29.7÷(5.85÷0.65),
=29.7÷9,
=3.3;

1.25×3.2×0.8,
=(1.25×0.8)×3.2,
=1×3.2,
=3.2;

14.5×102,
=14.5×(100+2),
=14.5×100+14.5×2,
=1450+29,
=1479;

4.7×4.7+4.7+4.7×4.3,
=(4.7+1+4.3)×4.7,
=10×4.7,
=47.

递等式计算,要简便,1.25×4×4.44×0.25,谢谢

1.25×4×4.44×0.25
=(1.25×4)×(4.44×0.25)
=5×1.11
=5.55

递等式计算题 1.25*64*0.25用递等式简便计算

1.25×6.4用简便递等式计算

1.25×6.4
=1.25×8×0.8
=10×0.8
=8

  
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