早教吧作业答案频道 -->其他-->
计算(1)7.38×0.16﹢0.0738×264+5.2×7.38+0.738×20=(2)4444444.4×6666666.6÷8888888.8=.
题目详情
计算
(1)7.38×0.16﹢0.0738×264+5.2×7.38+0.738×20=______
(2)4444444.4×6666666.6÷8888888.8=______.
(1)7.38×0.16﹢0.0738×264+5.2×7.38+0.738×20=______
(2)4444444.4×6666666.6÷8888888.8=______.
▼优质解答
答案和解析
(1)7.38×0.16﹢0.0738×264+5.2×7.38+0.738×20,
=7.38×0.16﹢7.38×2.64+5.2×7.38+7.38×2,
=7.38×(0.16﹢2.64+5.2+2),
=7.38×10,
=73.8;
(2)4444444.4×6666666.6÷8888888.8,
=4444444.4×6666666.6÷(4444444.4×2),
=6666666.6÷2,
=3333333.3.
故答案为:73.8,3333333.3.
=7.38×0.16﹢7.38×2.64+5.2×7.38+7.38×2,
=7.38×(0.16﹢2.64+5.2+2),
=7.38×10,
=73.8;
(2)4444444.4×6666666.6÷8888888.8,
=4444444.4×6666666.6÷(4444444.4×2),
=6666666.6÷2,
=3333333.3.
故答案为:73.8,3333333.3.
看了 计算(1)7.38×0.16...的网友还看了以下:
6.3÷0.021=1.5÷0.03=0.43×5=0.7×8-0.6=72÷24=5×0.7=6 2020-04-07 …
直接写出得数:0.5+0.4=0.90.9;1.4+2.7=4.14.1;8.2+3.7=11.9 2020-04-07 …
(1)2x^2+3x-1(2)x^3-8y^3-z^3-6xyz(3)x^3-9x+8(4)x^9 2020-05-17 …
2^2m×8^m(m>0)=2×2×.×2(2m个2相乘)×8×8×.×8(m个8相乘)=2×8× 2020-05-21 …
6÷3/8–3/8÷64/7×5/9+3/7×5/95/2-(3/2+4/5)7/8+(1/8+1 2020-07-18 …
7.3+2.7=99+96=9-3.8=1-0.4=101×78=9.7-7=0.86×100=1 2020-07-19 …
6.8*8/25+0.32*4.2-8/25=一又1/4*17.6+36除以4/5+2.64*12 2020-07-19 …
必修I·指数函数部分化简[1+2^(1/8)][1+2^(1/4)][1+2^(1/2)]快+好者 2020-08-02 …
数学问题(-x+4)^2=2pxx^2-8x-2px+16=0x^2-(8+2p)x+16=0x1 2020-08-02 …
直接写出0面各题7得数.七0-4.2=0.03×0.6=七22÷2七2=七i×i+七8×8=2七4÷ 2020-11-01 …