简算题
问题描述:
简算题
(1)10.26-(3.78+4.26)(2)2.4÷0.25(3)1.9x32x125x0.25
答
(1)10.26-(3.78+4.26)=10.26-3.78-4.26=10.26-4.26-3.78=6-3.78=2.22(2)2.4÷0.25=2.4÷1/4=2.4*4=9.6(3)1.9x32x125x0.25=1.9x8x4x125x0.25=1.9x8x125x0.25x4=1.9x1000x1=1900