急需口算加减乘除混合口算题120-500道 脱式120-500道 简算120-500道...答:展开全部 口算; 17×40=680, 100-63=37, 3.2+1.68=4.88, 2.8×0.4= 1.12 14-7.4=6.6, 1.92÷0.04=48, 0.32×500=160, 0.65+4.35= 5 10-5.4=4.6, 4÷20=0.2, 3.5×200=700, 1.5-0.06=1.44 0.75÷15=0.05, 0.4×0.8=0.32, 4×0.25=1, 0.36+1.54=2 1.01×99=99.99, 420÷35=12, 25×12...
小学六年级数学加减乘除法口算题各150道答:1.92÷0.04=48,0.32×500=160,0.65+4.35= 5 10-5.4=4.6,4÷20=0.2,3.5×200=700,1.5-0.06=1.44 0.75÷15=0.05,0.4×0.8=0.32,4×0.25=1,0.36+1.54=2 1.01×99=99.99,420÷35=12,25×12=300,135÷0.5=270 3/4 + 1/4 =1,2 + 4...