①4×36×25
②75×43+25×43
③101×48-48
④99×14
⑤25.3-4.62-5.38
⑥14.2-6.28+4.2-3.72
0.03+0.52= 3-0.3= 2.5×0.4= 0.4×0.7=
①53×46+48×46-46
②85×99+85
③25×32×125
④4800÷32
⑤989-186-14
⑥136×101-136
①685+718+315+282
②40×67×25
③199×16
④48×99+48
4.044.40 9.95×0.989.95 100平方厘米1平方米
5.8÷105.8×0.1 7.5×3.20.32×750 1.5日15时
2.3×6= 6.5÷0.01= 0.36÷0.4= +=
0.82= 1.2×= -= 4.3÷2.5÷4=
7.15﹣1.5= +0.25=