数学题帮忙做做初中的。

简便方法做的哦,要步骤哦。 3800÷50 8775÷25 9600÷(96×4) 8000÷75÷40 6.8×9.9 6.08×1.01 102×6.8+0.125×56×8 0.53×3.5-3.5×0.03 2.98+2.98×71.5+2.98×21.5 (1.6+1.6+1.6+1.6)×2×1.25 1.25×25×3.2×6.936 4.35+61.97+5.65+2.03 31÷0.25 (64+6.4)÷32 6.01×101-2.8×9.9 88×0.125 9600÷2÷4÷1.25

第1个回答  2014-08-29
3800÷50=76 8775÷25=351 9600÷(96×4)=9600÷96÷4=100÷4=25 8000÷75÷40=8000÷(75×40)=8/3 6.8×9.9=6.8×(10-0.1)=68-0.68=67.32 6.08×1.01=6.8×(10+0.1)=68+0.68=68.68 102×6.8+0.125×56×8=(100+2)×6.8+1×56=68+13.6+56=137.6 0.53×3.5-3.5×0.03=3.5×(0.53-0.03)=1.75 2.98+2.98×71.5+2.98×21.5=2.98×(1+71.5+21.5)=2.98×94=280.12 (1.6+1.6+1.6+1.6)×2×1.25=1.6×4×2.5=1.6×10=16 1.25×25×3.2×6.936=1.25×25×0.8×4×6.936=0.1×100×6.936=10×6.936=69.36 4.35+61.97+5.65+2.03=10+64=74 31÷0.25=123 (64+6.4)÷32=2+0.2=32.2 6.01×101-2.8×9.9=(6.01×100+1)-2.8×(10-0.1)=601+6.01-28-0.28578.73 88×0.125=88×1/8=11 9600÷2÷4÷1.25=9600÷(2×4×1.25)=9600÷10=960
第2个回答  2014-08-29
3800÷50=76 8775÷25=351 9600÷(96×4)=9600÷96÷4=100÷4=25 8000÷75÷40=8000÷(75×40)=8/3 6.8×9.9=6.8×(10-0.1)=68-0.68=67.32 6.08×1.01=6.8×(10+0.1)=68+0.68=68.68 102×6.8+0.125×56×8=(100+2)×6.8+1×56=68+13.6+56=137.6 0.53×3.5-3.5×0.03=3.5×(0.53-0.03)=1.75 2.98+2.98×71.5+2.98×21.5=2.98×(1+71.5+21.5)=2.98×94=280.12 (1.6+1.6+1.6+1.6)×2×1.25=1.6×4×2.5=1.6×10=16 1.25×25×3.2×6.936=1.25×25×0.8×4×6.936=0.1×100×6.936=10×6.936=69.36 4.35+61.97+5.65+2.03=10+64=74 31÷0.25=123 (64+6.4)÷32=2+0.2=32.2 6.01×101-2.8×9.9=(6.01×100+1)-2.8×(10-0.1)=601+6.01-28-0.28578.73 88×0.125=88×1/8=11 9600÷2÷4÷1.25=9600÷(2×4×1.25)=9600÷10=960本回答被提问者采纳
相似回答