帮忙出370条五年级加减乘除小数口算题答:1.01×99=99.99, 420÷35=12, 25×12=300, 135÷0.5=270 3/4 + 1/4 =1, 2 + 4/9 =22/9, 3 - 2/3 =7/3, 3/4 - 1/2= 1/4 1/6 + 1/2 -1/6 =1/2, 7.5-(2.5+3.8)=1.2, 7/8 + 3/8 =5/4 3/10 +1/5 =1/2, 4/5 - 7/10 =1/10, ...
关于小数的加减乘除口算题(要有答案)答:1.01×99=99.99,420÷35=12,25×12=300,135÷0.5=270 3/4 + 1/4 =1,2 + 4/9 =22/9,3 - 2/3 =7/3,3/4 - 1/2= 1/4 1/6 + 1/2 -1/6 =1/2,7.5-(2.5+3.8)=1.2,7/8 + 3/8 =5/4 3/10 +1/5 =1/2,4/5 - 7/10 =1/10,2 - 1/6 -1...
小数口算 400道加减乘除各一百道答:1.01×99=99.99, 420÷35=12, 25×12=300, 135÷0.5=270 3/4 + 1/4 =1, 2 + 4/9 =22/9, 3 - 2/3 =7/3, 3/4 - 1/2= 1/4 1/6 + 1/2 -1/6 =1/2, 7.5-(2.5+3.8)=1.2, 7/8 + 3/8 =5/4 3/10 +1/5 =1/2, 4/5 - 7/10 =1/10, ...