(1.25+2.5)×16 = 1.25×3.7×0.8= 3.4×9+3.4= 9.24×9+3.4= 简算

来源:学生作业帮助网 编辑:六六作业网 时间:2024/12/23 03:52:39
(1.25+2.5)×16=1.25×3.7×0.8=3.4×9+3.4=9.24×9+3.4=简算(1.25+2.5)×16=1.25×3.7×0.8=3.4×9+3.4=9.24×9+3.4=简算

(1.25+2.5)×16 = 1.25×3.7×0.8= 3.4×9+3.4= 9.24×9+3.4= 简算
(1.25+2.5)×16 = 1.25×3.7×0.8= 3.4×9+3.4= 9.24×9+3.4= 简算

(1.25+2.5)×16 = 1.25×3.7×0.8= 3.4×9+3.4= 9.24×9+3.4= 简算
(1.25+2.5)×16 = 1.25×16 +2.5×16 =1.25×8×2+2.5×4 ×4=20+40=60
1.25×3.7×0.8=1.25×0.8×3.7=1 ×3.7=3.7
3.4×9+3.4=3.4×9+3.4×1=3.4×(9+1)=3.4×10=34
9.24×9+3.4= 9.24×(10-1)+3.4=92.4-9.24+3.4=95.8-9.24=86.56

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