0.54 m 0.394 m 8.4 m 4.172 m
4m 4 dm 4 cm 4mm
683-153-47 480-54-136
763-246-54-63 4167-(803+ 167+ 197)
>>>>>
1.85﹣+= 1÷×= +0.375=
2.4﹣= (+)×2.4= 5÷×5÷=
10×45%= 1.25×8= 40×(1﹣20%)=